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1408972163 = 291271632347
BaseRepresentation
bin101001111111011…
…0011010110000011
310122012020012110012
41103332303112003
510341144102123
6351451055135
746626031364
oct12376632603
93565205405
101408972163
11663367705
12333a414ab
13195ba0551
14d51a9b6b
1583a68378
hex53fb3583

1408972163 has 16 divisors (see below), whose sum is σ = 1478676480. Its totient is φ = 1340823456.

The previous prime is 1408972129. The next prime is 1408972177. The reversal of 1408972163 is 3612798041.

It is a cyclic number.

It is not a de Polignac number, because 1408972163 - 210 = 1408971139 is a prime.

It is a super-2 number, since 2×14089721632 = 3970405112217797138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408972163.

It is not an unprimeable number, because it can be changed into a prime (1408972183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599156 + ... + 601502.

It is an arithmetic number, because the mean of its divisors is an integer number (92417280).

Almost surely, 21408972163 is an apocalyptic number.

1408972163 is a deficient number, since it is larger than the sum of its proper divisors (69704317).

1408972163 is a wasteful number, since it uses less digits than its factorization.

1408972163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1408972163 is about 37536.2779587961. The cubic root of 1408972163 is about 1121.0736311503.

The spelling of 1408972163 in words is "one billion, four hundred eight million, nine hundred seventy-two thousand, one hundred sixty-three".

Divisors: 1 29 127 163 2347 3683 4727 20701 68063 298069 382561 600329 8644001 11094269 48585247 1408972163