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102529531 = 1367311719
BaseRepresentation
bin1100001110001…
…11100111111011
321010221001002001
412013013213323
5202221421111
614101321431
72353325626
oct607074773
9233831061
10102529531
1152969a55
122a406277
131831ac80
14d88cdbd
1590041c1
hex61c79fb

102529531 has 8 divisors (see below), whose sum is σ = 110589920. Its totient is φ = 94493952.

The previous prime is 102529523. The next prime is 102529541. The reversal of 102529531 is 135925201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102529531 - 23 = 102529523 is a prime.

It is a super-2 number, since 2×1025295312 = 21024609454159922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102529531.

It is not an unprimeable number, because it can be changed into a prime (102529541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (13823740).

Almost surely, 2102529531 is an apocalyptic number.

102529531 is a deficient number, since it is larger than the sum of its proper divisors (8060389).

102529531 is a wasteful number, since it uses less digits than its factorization.

102529531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 102529531 is about 10125.6866927631. The cubic root of 102529531 is about 468.0400211106.

The spelling of 102529531 in words is "one hundred two million, five hundred twenty-nine thousand, five hundred thirty-one".

Divisors: 1 13 673 8749 11719 152347 7886887 102529531