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400152413 = 2317397931
BaseRepresentation
bin10111110110011…
…101011101011101
31000212221211220202
4113312131131131
51304414334123
6103412353245
712626145053
oct2766353535
91025854822
10400152413
1119596a481
12b2015825
1364b95a9b
143b2041d3
15251e3a28
hex17d9d75d

400152413 has 4 divisors (see below), whose sum is σ = 417550368. Its totient is φ = 382754460.

The previous prime is 400152397. The next prime is 400152421. The reversal of 400152413 is 314251004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400152413 - 24 = 400152397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400152713) 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, 8698943 + ... + 8698988.

It is an arithmetic number, because the mean of its divisors is an integer number (104387592).

Almost surely, 2400152413 is an apocalyptic number.

It is an amenable number.

400152413 is a deficient number, since it is larger than the sum of its proper divisors (17397955).

400152413 is a wasteful number, since it uses less digits than its factorization.

400152413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17397954.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 400152413 is about 20003.8099621047. The cubic root of 400152413 is about 736.8998702268.

The spelling of 400152413 in words is "four hundred million, one hundred fifty-two thousand, four hundred thirteen".

Divisors: 1 23 17397931 400152413