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472144040 = 23511803601
BaseRepresentation
bin11100001001000…
…101100010101000
31012220102101212022
4130021011202220
51431332102130
6114503404012
714462105144
oct3411054250
91186371768
10472144040
11222570895
12112153608
1376a80c94
14469c4224
152b6b47e5
hex1c2458a8

472144040 has 16 divisors (see below), whose sum is σ = 1062324180. Its totient is φ = 188857600.

The previous prime is 472144039. The next prime is 472144063. The reversal of 472144040 is 40441274.

It can be written as a sum of positive squares in 2 ways, for example, as 451222564 + 20921476 = 21242^2 + 4574^2 .

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, 5901761 + ... + 5901840.

Almost surely, 2472144040 is an apocalyptic number.

472144040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472144040 is an abundant number, since it is smaller than the sum of its proper divisors (590180140).

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

472144040 is a wasteful number, since it uses less digits than its factorization.

472144040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803612 (or 11803608 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 472144040 is about 21728.8757187297. The cubic root of 472144040 is about 778.6784767018.

The spelling of 472144040 in words is "four hundred seventy-two million, one hundred forty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 11803601 23607202 47214404 59018005 94428808 118036010 236072020 472144040