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1375005672 = 23336365767
BaseRepresentation
bin101000111110100…
…1110101111101000
310112211022112012000
41101331032233220
510304000140142
6344235051000
746034232615
oct12175165750
93484275160
101375005672
11646178127
123245a0a60
1318bb3a031
14d088750c
1580aa914c
hex51f4ebe8

1375005672 has 32 divisors (see below), whose sum is σ = 3819460800. Its totient is φ = 458335152.

The previous prime is 1375005647. The next prime is 1375005683. The reversal of 1375005672 is 2765005731.

1375005672 is a `hidden beast` number, since 1 + 37 + 500 + 56 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182668 + ... + 3183099.

It is an arithmetic number, because the mean of its divisors is an integer number (119358150).

Almost surely, 21375005672 is an apocalyptic number.

1375005672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375005672 is an abundant number, since it is smaller than the sum of its proper divisors (2444455128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1375005672 is a wasteful number, since it uses less digits than its factorization.

1375005672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365782 (or 6365772 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 1375005672 is about 37081.0689166318. The cubic root of 1375005672 is about 1111.9915743026.

The spelling of 1375005672 in words is "one billion, three hundred seventy-five million, five thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 6365767 12731534 19097301 25463068 38194602 50926136 57291903 76389204 114583806 152778408 171875709 229167612 343751418 458335224 687502836 1375005672