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242813088 = 25327432801
BaseRepresentation
bin11100111100100…
…00100010100000
3121220220011221100
432132100202200
5444130004323
640032154400
76005606610
oct1636204240
9556804840
10242813088
11115075081
1269398a00
133b3c73ab
1424368a40
15164b4943
hexe7908a0

242813088 has 144 divisors (see below), whose sum is σ = 807782976. Its totient is φ = 67737600.

The previous prime is 242813071. The next prime is 242813089. The reversal of 242813088 is 880318242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242813089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85288 + ... + 88088.

It is an arithmetic number, because the mean of its divisors is an integer number (5609604).

Almost surely, 2242813088 is an apocalyptic number.

242813088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242813088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403891488).

242813088 is an abundant number, since it is smaller than the sum of its proper divisors (564969888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242813088 is a wasteful number, since it uses less digits than its factorization.

242813088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 242813088 is about 15582.4609096253. The cubic root of 242813088 is about 623.8651089095.

The spelling of 242813088 in words is "two hundred forty-two million, eight hundred thirteen thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 43 48 56 63 72 84 86 96 112 126 129 144 168 172 224 252 258 288 301 336 344 387 504 516 602 672 688 774 903 1008 1032 1204 1376 1548 1806 2016 2064 2408 2709 2801 3096 3612 4128 4816 5418 5602 6192 7224 8403 9632 10836 11204 12384 14448 16806 19607 21672 22408 25209 28896 33612 39214 43344 44816 50418 58821 67224 78428 86688 89632 100836 117642 120443 134448 156856 176463 201672 235284 240886 268896 313712 352926 361329 403344 470568 481772 627424 705852 722658 806688 843101 941136 963544 1083987 1411704 1445316 1686202 1882272 1927088 2167974 2529303 2823408 2890632 3372404 3854176 4335948 5058606 5646816 5781264 6744808 7587909 8671896 10117212 11562528 13489616 15175818 17343792 20234424 26979232 30351636 34687584 40468848 60703272 80937696 121406544 242813088