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102242529 = 32106310687
BaseRepresentation
bin1100001100000…
…01100011100001
321010101110101100
412012001203201
5202133230104
614051225013
72351022114
oct606014341
9233343340
10102242529
1152793364
122a2a8169
131824a44c
14d81657b
158e99139
hex61818e1

102242529 has 12 divisors (see below), whose sum is σ = 147836416. Its totient is φ = 68091192.

The previous prime is 102242467. The next prime is 102242537. The reversal of 102242529 is 925242201.

It is a happy number.

It is not a de Polignac number, because 102242529 - 29 = 102242017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102242549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4224 + ... + 14910.

Almost surely, 2102242529 is an apocalyptic number.

It is an amenable number.

102242529 is a deficient number, since it is larger than the sum of its proper divisors (45593887).

102242529 is a wasteful number, since it uses less digits than its factorization.

102242529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756 (or 11753 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 102242529 is about 10111.5047841555. The cubic root of 102242529 is about 467.6028984134.

The spelling of 102242529 in words is "one hundred two million, two hundred forty-two thousand, five hundred twenty-nine".

Divisors: 1 3 9 1063 3189 9567 10687 32061 96183 11360281 34080843 102242529