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1372318039 = 4331914373
BaseRepresentation
bin101000111001011…
…1110100101010111
310112122020222110001
41101302332211113
510302303134124
6344101312131
746002340141
oct12162764527
93478228401
101372318039
11644701944
12323705647
1318b408911
14d0387c91
1580727b44
hex51cbe957

1372318039 has 4 divisors (see below), whose sum is σ = 1404232456. Its totient is φ = 1340403624.

The previous prime is 1372317983. The next prime is 1372318061. The reversal of 1372318039 is 9308132731.

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

It is a cyclic number.

It is not a de Polignac number, because 1372318039 - 213 = 1372309847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372317989 and 1372318007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372318639) 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, 15957144 + ... + 15957229.

It is an arithmetic number, because the mean of its divisors is an integer number (351058114).

Almost surely, 21372318039 is an apocalyptic number.

1372318039 is a deficient number, since it is larger than the sum of its proper divisors (31914417).

1372318039 is an equidigital number, since it uses as much as digits as its factorization.

1372318039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31914416.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1372318039 is about 37044.8112291047. The cubic root of 1372318039 is about 1111.2665895135.

The spelling of 1372318039 in words is "one billion, three hundred seventy-two million, three hundred eighteen thousand, thirty-nine".

Divisors: 1 43 31914373 1372318039