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104515031 = 1712748409
BaseRepresentation
bin1100011101011…
…00010111010111
321021122220200002
412032230113113
5203223440111
614212041515
72406235355
oct616542727
9237586602
10104515031
1153aa5765
122b00329b
131886491a
14dc487d5
15929763b
hex63ac5d7

104515031 has 8 divisors (see below), whose sum is σ = 111536640. Its totient is φ = 97590528.

The previous prime is 104515003. The next prime is 104515087. The reversal of 104515031 is 130515401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104515031 is a prime.

It is a super-2 number, since 2×1045150312 = 21846783409861922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104514994 and 104515012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104515091) 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, 22046 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (13942080).

Almost surely, 2104515031 is an apocalyptic number.

104515031 is a deficient number, since it is larger than the sum of its proper divisors (7021609).

104515031 is a wasteful number, since it uses less digits than its factorization.

104515031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48553.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 104515031 is about 10223.2593139370. The cubic root of 104515031 is about 471.0419482325.

The spelling of 104515031 in words is "one hundred four million, five hundred fifteen thousand, thirty-one".

Divisors: 1 17 127 2159 48409 822953 6147943 104515031