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242353100 = 225211534157
BaseRepresentation
bin11100111001000…
…00001111001100
3121220000210221202
432130200033030
5444020244400
640014245032
76001652543
oct1634401714
9556023852
10242353100
11114890520
12691b6778
133b295c02
142428915a
15164234d5
hexe7203cc

242353100 has 72 divisors (see below), whose sum is σ = 584681328. Its totient is φ = 86444800.

The previous prime is 242353099. The next prime is 242353109. The reversal of 242353100 is 1353242.

It is a happy number.

It is a super-2 number, since 2×2423531002 = 117470050159220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (242353109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56222 + ... + 60378.

It is an arithmetic number, because the mean of its divisors is an integer number (8120574).

Almost surely, 2242353100 is an apocalyptic number.

242353100 is a gapful number since it is divisible by the number (20) 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 242353100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292340664).

242353100 is an abundant number, since it is smaller than the sum of its proper divisors (342328228).

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

242353100 is a wasteful number, since it uses less digits than its factorization.

242353100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 242353100 is about 15567.6941131306. The cubic root of 242353100 is about 623.4709073854.

The spelling of 242353100 in words is "two hundred forty-two million, three hundred fifty-three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 53 55 100 106 110 212 220 265 275 530 550 583 1060 1100 1166 1325 2332 2650 2915 4157 5300 5830 8314 11660 14575 16628 20785 29150 41570 45727 58300 83140 91454 103925 182908 207850 220321 228635 415700 440642 457270 881284 914540 1101605 1143175 2203210 2286350 2423531 4406420 4572700 4847062 5508025 9694124 11016050 12117655 22032100 24235310 48470620 60588275 121176550 242353100