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242541432 = 23337473413
BaseRepresentation
bin11100111010011…
…10001101111000
3121220101101022000
432131032031320
5444042311212
640022301000
76003365610
oct1635161570
9556341260
10242541432
111149a9a71
1269287760
133b330853
14242d7a40
151645e1dc
hexe74e378

242541432 has 128 divisors (see below), whose sum is σ = 786585600. Its totient is φ = 67803264.

The previous prime is 242541367. The next prime is 242541433. The reversal of 242541432 is 234145242.

242541432 is a `hidden beast` number, since 242 + 5 + 414 + 3 + 2 = 666.

It is a super-2 number, since 2×2425414322 = 117652692473221248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 242541396 and 242541405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242541433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69358 + ... + 72770.

It is an arithmetic number, because the mean of its divisors is an integer number (6145200).

Almost surely, 2242541432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242541432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393292800).

242541432 is an abundant number, since it is smaller than the sum of its proper divisors (544044168).

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

242541432 is a wasteful number, since it uses less digits than its factorization.

242541432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482 (or 3472 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 242541432 is about 15573.7417469277. The cubic root of 242541432 is about 623.6323648079.

Adding to 242541432 its reverse (234145242), we get a palindrome (476686674).

The spelling of 242541432 in words is "two hundred forty-two million, five hundred forty-one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 47 54 56 63 72 84 94 108 126 141 168 188 189 216 252 282 329 376 378 423 504 564 658 756 846 987 1128 1269 1316 1512 1692 1974 2538 2632 2961 3384 3413 3948 5076 5922 6826 7896 8883 10152 10239 11844 13652 17766 20478 23688 23891 27304 30717 35532 40956 47782 61434 71064 71673 81912 92151 95564 122868 143346 160411 184302 191128 215019 245736 286692 320822 368604 430038 481233 573384 641644 645057 737208 860076 962466 1122877 1283288 1290114 1443699 1720152 1924932 2245754 2580228 2887398 3368631 3849864 4331097 4491508 5160456 5774796 6737262 8662194 8983016 10105893 11549592 13474524 17324388 20211786 26949048 30317679 34648776 40423572 60635358 80847144 121270716 242541432