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632016028 = 22747512
BaseRepresentation
bin100101101010111…
…100110010011100
31122001020202000001
4211222330302130
52243244003103
6142414144044
721443022220
oct4552746234
91561222001
10632016028
112a4835aa6
121577b2024
13a0c283a7
145dd1c780
153a74401d
hex25abcc9c

632016028 has 18 divisors (see below), whose sum is σ = 1264298168. Its totient is φ = 270807000.

The previous prime is 632016023. The next prime is 632016029. The reversal of 632016028 is 820610236.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 632015987 and 632016005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632016023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130653 + ... + 135403.

Almost surely, 2632016028 is an apocalyptic number.

It is an amenable number.

632016028 is an abundant number, since it is smaller than the sum of its proper divisors (632282140).

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

632016028 is an frugal number, since it uses more digits than its factorization.

632016028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9513 (or 4760 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 632016028 is about 25139.9289577357. The cubic root of 632016028 is about 858.1753399421.

Multiplying 632016028 by its sum of digits (28), we get a square (17696448784 = 1330282).

632016028 divided by its sum of digits (28) gives a square (22572001 = 47512).

The spelling of 632016028 in words is "six hundred thirty-two million, sixteen thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 4751 9502 19004 33257 66514 133028 22572001 45144002 90288004 158004007 316008014 632016028