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401370828 = 22342437883
BaseRepresentation
bin10111111011000…
…110111011001100
31000222020202021020
4113323012323030
51310222331303
6103454434140
712642411225
oct2773067314
91028222236
10401370828
11196621931
12b2502950
1365201541
143b44024c
1525384a53
hex17ec6ecc

401370828 has 24 divisors (see below), whose sum is σ = 936871488. Its totient is φ = 133741776.

The previous prime is 401370811. The next prime is 401370883. The reversal of 401370828 is 828073104.

It is a super-2 number, since 2×4013708282 = 322197083138811168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46975 + ... + 54857.

It is an arithmetic number, because the mean of its divisors is an integer number (39036312).

Almost surely, 2401370828 is an apocalyptic number.

It is an amenable number.

401370828 is an abundant number, since it is smaller than the sum of its proper divisors (535500660).

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

401370828 is a wasteful number, since it uses less digits than its factorization.

401370828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133 (or 12131 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 401370828 is about 20034.2413881834. The cubic root of 401370828 is about 737.6470356265.

The spelling of 401370828 in words is "four hundred one million, three hundred seventy thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 4243 7883 8486 12729 15766 16972 23649 25458 31532 47298 50916 94596 33447569 66895138 100342707 133790276 200685414 401370828