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53928280 = 2357192601
BaseRepresentation
bin1100110110111…
…0000101011000
310202110211200201
43031232011120
5102301201110
65203511544
71223245210
oct315560530
9122424621
1053928280
112849412a
12160885b4
13b232433
14723b240
154b03b3a
hex336e158

53928280 has 32 divisors (see below), whose sum is σ = 138673440. Its totient is φ = 18489600.

The previous prime is 53928271. The next prime is 53928283. The reversal of 53928280 is 8282935.

53928280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53928283) by changing a digit.

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, 96021 + ... + 96580.

It is an arithmetic number, because the mean of its divisors is an integer number (4333545).

Almost surely, 253928280 is an apocalyptic number.

It is an amenable number.

53928280 is an abundant number, since it is smaller than the sum of its proper divisors (84745160).

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

53928280 is a wasteful number, since it uses less digits than its factorization.

53928280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192619 (or 192615 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 53928280 is about 7343.5876790572. The cubic root of 53928280 is about 377.8089046504.

The spelling of 53928280 in words is "fifty-three million, nine hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 192601 385202 770404 963005 1348207 1540808 1926010 2696414 3852020 5392828 6741035 7704040 10785656 13482070 26964140 53928280