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102413531 = 1141227081
BaseRepresentation
bin1100001101010…
…11010011011011
321010201010221202
412012223103123
5202204213111
614055024415
72352333503
oct606532333
9233633852
10102413531
115289a890
122a36b10b
13182aa22c
14d85ca03
158eceb3b
hex61ab4db

102413531 has 8 divisors (see below), whose sum is σ = 114449328. Its totient is φ = 90832000.

The previous prime is 102413527. The next prime is 102413533. The reversal of 102413531 is 135314201.

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 102413531 - 22 = 102413527 is a prime.

It is a super-2 number, since 2×1024135312 = 20977062663775922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102413533) 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, 113090 + ... + 113991.

It is an arithmetic number, because the mean of its divisors is an integer number (14306166).

Almost surely, 2102413531 is an apocalyptic number.

102413531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102413531 is a deficient number, since it is larger than the sum of its proper divisors (12035797).

102413531 is a wasteful number, since it uses less digits than its factorization.

102413531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227133.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102413531 is about 10119.9570651263. The cubic root of 102413531 is about 467.8634439169.

Adding to 102413531 its reverse (135314201), we get a palindrome (237727732).

The spelling of 102413531 in words is "one hundred two million, four hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 11 41 451 227081 2497891 9310321 102413531