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632563420 = 22531628171
BaseRepresentation
bin100101101101000…
…010011011011100
31122002021112212211
4211231002123130
52243414012140
6142434010204
721450462136
oct4555023334
91562245784
10632563420
112a507a295
12157a16964
13a108a5a8
1460022056
153a8012ea
hex25b426dc

632563420 has 12 divisors (see below), whose sum is σ = 1328383224. Its totient is φ = 253025360.

The previous prime is 632563417. The next prime is 632563487. The reversal of 632563420 is 24365236.

It is a happy number.

632563420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15814066 + ... + 15814105.

It is an arithmetic number, because the mean of its divisors is an integer number (110698602).

Almost surely, 2632563420 is an apocalyptic number.

It is an amenable number.

632563420 is an abundant number, since it is smaller than the sum of its proper divisors (695819804).

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

632563420 is a wasteful number, since it uses less digits than its factorization.

632563420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31628180 (or 31628178 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 632563420 is about 25150.8135057298. The cubic root of 632563420 is about 858.4230249902.

The spelling of 632563420 in words is "six hundred thirty-two million, five hundred sixty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31628171 63256342 126512684 158140855 316281710 632563420