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102526429 = 278936761
BaseRepresentation
bin1100001110001…
…10110111011101
321010220212211011
412013012313131
5202221321204
614101255221
72353313605
oct607066735
9233825734
10102526429
1152967695
122a404511
1318319735
14d88bc05
159003304
hex61c6ddd

102526429 has 4 divisors (see below), whose sum is σ = 102565980. Its totient is φ = 102486880.

The previous prime is 102526427. The next prime is 102526469. The reversal of 102526429 is 924625201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924625201 = 1459633739.

It can be written as a sum of positive squares in 2 ways, for example, as 22781529 + 79744900 = 4773^2 + 8930^2 .

It is a cyclic number.

It is not a de Polignac number, because 102526429 - 21 = 102526427 is a prime.

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 102526429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102526427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15592 + ... + 21169.

It is an arithmetic number, because the mean of its divisors is an integer number (25641495).

Almost surely, 2102526429 is an apocalyptic number.

It is an amenable number.

102526429 is a deficient number, since it is larger than the sum of its proper divisors (39551).

102526429 is an equidigital number, since it uses as much as digits as its factorization.

102526429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39550.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 102526429 is about 10125.5335168079. The cubic root of 102526429 is about 468.0353009265.

The spelling of 102526429 in words is "one hundred two million, five hundred twenty-six thousand, four hundred twenty-nine".

Divisors: 1 2789 36761 102526429