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1376944168 = 231453118457
BaseRepresentation
bin101001000010010…
…1000000000101000
310112221222000022011
41102010220000220
510304444203133
6344344405304
746056555325
oct12204500050
93487860264
101376944168
11647281596
12325176834
1318c368482
14d0c2db4c
1580d3d6cd
hex52128028

1376944168 has 16 divisors (see below), whose sum is σ = 2583568980. Its totient is φ = 687992448.

The previous prime is 1376944139. The next prime is 1376944169. The reversal of 1376944168 is 8614496731.

It can be written as a sum of positive squares in 2 ways, for example, as 839724484 + 537219684 = 28978^2 + 23178^2 .

It is not an unprimeable number, because it can be changed into a prime (1376944169) 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, 47605 + ... + 70852.

Almost surely, 21376944168 is an apocalyptic number.

It is an amenable number.

1376944168 is a deficient number, since it is larger than the sum of its proper divisors (1206624812).

1376944168 is a wasteful number, since it uses less digits than its factorization.

1376944168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119916 (or 119912 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 1376944168 is about 37107.1983313211. The cubic root of 1376944168 is about 1112.5138943347.

The spelling of 1376944168 in words is "one billion, three hundred seventy-six million, nine hundred forty-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 1453 2906 5812 11624 118457 236914 473828 947656 172118021 344236042 688472084 1376944168