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53494868 = 2272272933
BaseRepresentation
bin1100110000010…
…0010001010100
310201122211011102
43030010101110
5102143313433
65150325232
71216461500
oct314042124
9121584142
1053494868
1128218539
1215ab9818
13b11008b
147167300
154a6a4e8
hex3304454

53494868 has 18 divisors (see below), whose sum is σ = 108900666. Its totient is φ = 22926288.

The previous prime is 53494867. The next prime is 53494897. The reversal of 53494868 is 86849435.

It can be written as a sum of positive squares in only one way, i.e., 42016324 + 11478544 = 6482^2 + 3388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53494867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136271 + ... + 136662.

It is an arithmetic number, because the mean of its divisors is an integer number (6050037).

Almost surely, 253494868 is an apocalyptic number.

It is an amenable number.

53494868 is an abundant number, since it is smaller than the sum of its proper divisors (55405798).

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

53494868 is a wasteful number, since it uses less digits than its factorization.

53494868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272951 (or 272942 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 53494868 is about 7314.0185944527. The cubic root of 53494868 is about 376.7940533799.

The spelling of 53494868 in words is "fifty-three million, four hundred ninety-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 272933 545866 1091732 1910531 3821062 7642124 13373717 26747434 53494868