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1401311296 = 26711284357
BaseRepresentation
bin101001110000110…
…0101000001000000
310121122210222201101
41103201211001000
510332213430141
6351014544144
746503643450
oct12341450100
93548728641
101401311296
1165a004a10
12331368054
1319441a5a8
14d4173d60
1583053531
hex53865040

1401311296 has 56 divisors (see below), whose sum is σ = 3466892736. Its totient is φ = 545963520.

The previous prime is 1401311239. The next prime is 1401311299. The reversal of 1401311296 is 6921131041.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1401311299) 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, 137251 + ... + 147106.

Almost surely, 21401311296 is an apocalyptic number.

1401311296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1401311296 is an abundant number, since it is smaller than the sum of its proper divisors (2065581440).

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

1401311296 is a wasteful number, since it uses less digits than its factorization.

1401311296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284387 (or 284377 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1401311296 is about 37434.0926963644. The cubic root of 1401311296 is about 1119.0381026950.

The spelling of 1401311296 in words is "one billion, four hundred one million, three hundred eleven thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1232 2464 4928 284357 568714 1137428 1990499 2274856 3127927 3980998 4549712 6255854 7961996 9099424 12511708 15923992 18198848 21895489 25023416 31847984 43790978 50046832 63695968 87581956 100093664 127391936 175163912 200187328 350327824 700655648 1401311296