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1075138860 = 223517918981
BaseRepresentation
bin100000000010101…
…0101000100101100
32202221001201020210
41000011111010230
54200213420420
6254403542420
735433346425
oct10005250454
92687051223
101075138860
11501984814
1226008aa10
13141987a53
14a2b0a64c
15645c49e0
hex4015512c

1075138860 has 24 divisors (see below), whose sum is σ = 3010388976. Its totient is φ = 286703680.

The previous prime is 1075138849. The next prime is 1075138879. The reversal of 1075138860 is 688315701.

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, 8959431 + ... + 8959550.

It is an arithmetic number, because the mean of its divisors is an integer number (125432874).

Almost surely, 21075138860 is an apocalyptic number.

1075138860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075138860 is an abundant number, since it is smaller than the sum of its proper divisors (1935250116).

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

1075138860 is a wasteful number, since it uses less digits than its factorization.

1075138860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17918993 (or 17918991 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1075138860 is about 32789.3101482785. The cubic root of 1075138860 is about 1024.4439133158.

The spelling of 1075138860 in words is "one billion, seventy-five million, one hundred thirty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 17918981 35837962 53756943 71675924 89594905 107513886 179189810 215027772 268784715 358379620 537569430 1075138860