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53928924 = 2237642011
BaseRepresentation
bin1100110110111…
…0001111011100
310202110212120120
43031232033130
5102301211144
65203514540
71223250120
oct315561734
9122425516
1053928924
1128494665
1216088a50
13b23280a
14723b580
154b03e19
hex336e3dc

53928924 has 24 divisors (see below), whose sum is σ = 143810688. Its totient is φ = 15408240.

The previous prime is 53928907. The next prime is 53928983. The reversal of 53928924 is 42982935.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320922 + ... + 321089.

It is an arithmetic number, because the mean of its divisors is an integer number (5992112).

Almost surely, 253928924 is an apocalyptic number.

It is an amenable number.

53928924 is an abundant number, since it is smaller than the sum of its proper divisors (89881764).

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

53928924 is a wasteful number, since it uses less digits than its factorization.

53928924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642025 (or 642023 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 53928924 is about 7343.6315267039. The cubic root of 53928924 is about 377.8104085488.

The spelling of 53928924 in words is "fifty-three million, nine hundred twenty-eight thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 642011 1284022 1926033 2568044 3852066 4494077 7704132 8988154 13482231 17976308 26964462 53928924