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2057905403 = 17831458473
BaseRepresentation
bin111101010101001…
…0010010011111011
312022102022102111122
41322222102103323
513203310433103
6540112015455
7101665623131
oct17252222373
95272272448
102057905403
119666a7874
1249523158b
1326a46cb08
1415744d751
15c09eeb38
hex7aa924fb

2057905403 has 8 divisors (see below), whose sum is σ = 2205212688. Its totient is φ = 1913515264.

The previous prime is 2057905391. The next prime is 2057905433. The reversal of 2057905403 is 3045097502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2057905403 - 214 = 2057889019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057905433) 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, 727826 + ... + 730647.

It is an arithmetic number, because the mean of its divisors is an integer number (275651586).

Almost surely, 22057905403 is an apocalyptic number.

2057905403 is a deficient number, since it is larger than the sum of its proper divisors (147307285).

2057905403 is a wasteful number, since it uses less digits than its factorization.

2057905403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458573.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 2057905403 is about 45364.1422601596. The cubic root of 2057905403 is about 1271.9649255505.

The spelling of 2057905403 in words is "two billion, fifty-seven million, nine hundred five thousand, four hundred three".

Divisors: 1 17 83 1411 1458473 24794041 121053259 2057905403