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53742972 = 22326916649
BaseRepresentation
bin1100110100000…
…0110101111100
310202010102111110
43031000311330
5102224233342
65155522020
71221544023
oct315006574
9122112443
1053742972
1128377988
1215bb9310
13b198c9a
1471cd8ba
154ab8c9c
hex3340d7c

53742972 has 24 divisors (see below), whose sum is σ = 125874000. Its totient is φ = 17846656.

The previous prime is 53742889. The next prime is 53743021. The reversal of 53742972 is 27924735.

53742972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53742972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5097 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (5244750).

Almost surely, 253742972 is an apocalyptic number.

It is an amenable number.

53742972 is an abundant number, since it is smaller than the sum of its proper divisors (72131028).

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

53742972 is a wasteful number, since it uses less digits than its factorization.

53742972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16925 (or 16923 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 53742972 is about 7330.9598280171. The cubic root of 53742972 is about 377.3756665522.

The spelling of 53742972 in words is "fifty-three million, seven hundred forty-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 269 538 807 1076 1614 3228 16649 33298 49947 66596 99894 199788 4478581 8957162 13435743 17914324 26871486 53742972