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102424531 = 1159971627
BaseRepresentation
bin1100001101011…
…01111111010011
321010201201001011
412012231333103
5202210041111
614055151351
72352410536
oct606557723
9233651034
10102424531
11528a8080
122a375557
13182b2241
14d862a1d
158ed3021
hex61adfd3

102424531 has 16 divisors (see below), whose sum is σ = 114871680. Its totient is φ = 90535680.

The previous prime is 102424501. The next prime is 102424591. The reversal of 102424531 is 135424201.

It is a cyclic number.

It is not a de Polignac number, because 102424531 - 25 = 102424499 is a prime.

It is a super-2 number, since 2×1024245312 = 20981569101139922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102424501) 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 15 ways as a sum of consecutive naturals, for example, 62140 + ... + 63766.

It is an arithmetic number, because the mean of its divisors is an integer number (7179480).

Almost surely, 2102424531 is an apocalyptic number.

102424531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102424531 is a deficient number, since it is larger than the sum of its proper divisors (12447149).

102424531 is a wasteful number, since it uses less digits than its factorization.

102424531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102424531 is about 10120.5005311002. The cubic root of 102424531 is about 467.8801940266.

Adding to 102424531 its reverse (135424201), we get a palindrome (237848732).

The spelling of 102424531 in words is "one hundred two million, four hundred twenty-four thousand, five hundred thirty-one".

Divisors: 1 11 59 97 649 1067 1627 5723 17897 62953 95993 157819 1055923 1736009 9311321 102424531