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428525060 = 22521426253
BaseRepresentation
bin11001100010101…
…100011000000100
31002212100022212112
4121202230120010
51334200300220
6110304440152
713422255125
oct3142543004
91085308775
10428525060
111aa989247
12bb619058
136aa1b132
1440cac04c
152794a5c5
hex198ac604

428525060 has 12 divisors (see below), whose sum is σ = 899902668. Its totient is φ = 171410016.

The previous prime is 428525047. The next prime is 428525077. The reversal of 428525060 is 60525824.

It can be written as a sum of positive squares in 2 ways, for example, as 278756416 + 149768644 = 16696^2 + 12238^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10713107 + ... + 10713146.

It is an arithmetic number, because the mean of its divisors is an integer number (74991889).

Almost surely, 2428525060 is an apocalyptic number.

It is an amenable number.

428525060 is an abundant number, since it is smaller than the sum of its proper divisors (471377608).

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

428525060 is a wasteful number, since it uses less digits than its factorization.

428525060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21426262 (or 21426260 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 428525060 is about 20700.8468425811. The cubic root of 428525060 is about 753.9202494529.

The spelling of 428525060 in words is "four hundred twenty-eight million, five hundred twenty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 21426253 42852506 85705012 107131265 214262530 428525060