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102393317 = 137876409
BaseRepresentation
bin1100001101001…
…10010111100101
321010200010020002
412012212113211
5202203041232
614054351045
72352220535
oct606462745
9233603202
10102393317
1152886684
122a35b485
13182a0c80
14d8554c5
158ec8b62
hex61a65e5

102393317 has 4 divisors (see below), whose sum is σ = 110269740. Its totient is φ = 94516896.

The previous prime is 102393301. The next prime is 102393323. The reversal of 102393317 is 713393201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66080641 + 36312676 = 8129^2 + 6026^2 .

It is a cyclic number.

It is not a de Polignac number, because 102393317 - 24 = 102393301 is a prime.

It is a super-3 number, since 3×1023933173 (a number of 25 digits) contains 333 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 102393317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102393517) 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, 3938192 + ... + 3938217.

It is an arithmetic number, because the mean of its divisors is an integer number (27567435).

Almost surely, 2102393317 is an apocalyptic number.

It is an amenable number.

102393317 is a deficient number, since it is larger than the sum of its proper divisors (7876423).

102393317 is an equidigital number, since it uses as much as digits as its factorization.

102393317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876422.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 102393317 is about 10118.9582961884. The cubic root of 102393317 is about 467.8326601788.

The spelling of 102393317 in words is "one hundred two million, three hundred ninety-three thousand, three hundred seventeen".

Divisors: 1 13 7876409 102393317