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53408268 = 2233494521
BaseRepresentation
bin1100101110111…
…1001000001100
310201111102101000
43023233020030
5102133031033
65144420300
71215651144
oct313571014
9121442330
1053408268
1128169471
1215a77690
13b0ac834
147143924
154a4ea13
hex32ef20c

53408268 has 24 divisors (see below), whose sum is σ = 138466160. Its totient is φ = 17802720.

The previous prime is 53408263. The next prime is 53408273. The reversal of 53408268 is 86280435.

53408268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53408263) and next prime (53408273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53408263) 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, 247153 + ... + 247368.

Almost surely, 253408268 is an apocalyptic number.

It is an amenable number.

53408268 is an abundant number, since it is smaller than the sum of its proper divisors (85057892).

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

53408268 is a wasteful number, since it uses less digits than its factorization.

53408268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494534 (or 494526 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 53408268 is about 7308.0960584820. The cubic root of 53408268 is about 376.5906196055.

It can be divided in two parts, 53 and 408268, that added together give a square (408321 = 6392).

The spelling of 53408268 in words is "fifty-three million, four hundred eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 494521 989042 1483563 1978084 2967126 4450689 5934252 8901378 13352067 17802756 26704134 53408268