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102440568 = 23337115361
BaseRepresentation
bin1100001101100…
…01111001111000
321010202112001010
412012301321320
5202211044233
614055353520
72352505356
oct606617170
9233675033
10102440568
115290912a
122a3828a0
13182b9629
14d8687d6
158ed7b63
hex61b1e78

102440568 has 32 divisors (see below), whose sum is σ = 263025360. Its totient is φ = 33223680.

The previous prime is 102440561. The next prime is 102440581. The reversal of 102440568 is 865044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102440561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56793 + ... + 58568.

Almost surely, 2102440568 is an apocalyptic number.

It is an amenable number.

102440568 is an abundant number, since it is smaller than the sum of its proper divisors (160584792).

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

102440568 is a wasteful number, since it uses less digits than its factorization.

102440568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115407 (or 115403 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 102440568 is about 10121.2928027995. The cubic root of 102440568 is about 467.9046120152.

Adding to 102440568 its reverse (865044201), we get a palindrome (967484769).

The spelling of 102440568 in words is "one hundred two million, four hundred forty thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 115361 230722 346083 461444 692166 922888 1384332 2768664 4268357 8536714 12805071 17073428 25610142 34146856 51220284 102440568