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428225802 = 2371370967
BaseRepresentation
bin11001100001100…
…011010100001010
31002211210010100220
4121201203110022
51334111211202
6110254210510
713416600504
oct3141432412
91084703326
10428225802
111aa7a4424
12bb4b3a36
136a944b64
1440c30d74
15278dbabc
hex1986350a

428225802 has 8 divisors (see below), whose sum is σ = 856451616. Its totient is φ = 142741932.

The previous prime is 428225797. The next prime is 428225813. The reversal of 428225802 is 208522824.

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

428225802 is an admirable 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, 35685478 + ... + 35685489.

It is an arithmetic number, because the mean of its divisors is an integer number (107056452).

Almost surely, 2428225802 is an apocalyptic number.

428225802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428225802 is a wasteful number, since it uses less digits than its factorization.

428225802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71370972.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 428225802 is about 20693.6174218042. The cubic root of 428225802 is about 753.7447099673.

The spelling of 428225802 in words is "four hundred twenty-eight million, two hundred twenty-five thousand, eight hundred two".

Divisors: 1 2 3 6 71370967 142741934 214112901 428225802