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401315312 = 2430781701
BaseRepresentation
bin10111111010111…
…001010111110000
31000222010221010002
4113322321113300
51310214042222
6103453325132
712642060326
oct2772712760
91028127102
10401315312
11196594152
12b24967a8
13651b21a8
143b427d16
1525373392
hex17eb95f0

401315312 has 20 divisors (see below), whose sum is σ = 780090696. Its totient is φ = 200001600.

The previous prime is 401315309. The next prime is 401315363. The reversal of 401315312 is 213513104.

It is a super-2 number, since 2×4013153122 = 322107959291314688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35939 + ... + 45762.

Almost surely, 2401315312 is an apocalyptic number.

It is an amenable number.

401315312 is a deficient number, since it is larger than the sum of its proper divisors (378775384).

401315312 is a wasteful number, since it uses less digits than its factorization.

401315312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82016 (or 82010 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 401315312 is about 20032.8558123898. The cubic root of 401315312 is about 737.6130246005.

Adding to 401315312 its reverse (213513104), we get a palindrome (614828416).

The spelling of 401315312 in words is "four hundred one million, three hundred fifteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 307 614 1228 2456 4912 81701 163402 326804 653608 1307216 25082207 50164414 100328828 200657656 401315312