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53081336 = 2371186171
BaseRepresentation
bin1100101001111…
…1010011111000
310200212210220102
43022133103320
5102042100321
65133414532
71213120040
oct312372370
9120783812
1053081336
1127a65880
121593a448
13acc6a99
14709a720
1549d7c0b
hex329f4f8

53081336 has 32 divisors (see below), whose sum is σ = 124087680. Its totient is φ = 20680800.

The previous prime is 53081321. The next prime is 53081341. The reversal of 53081336 is 63318035.

It is a junction number, because it is equal to n+sod(n) for n = 53081299 and 53081308.

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, 42470 + ... + 43701.

It is an arithmetic number, because the mean of its divisors is an integer number (3877740).

Almost surely, 253081336 is an apocalyptic number.

53081336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53081336 is an abundant number, since it is smaller than the sum of its proper divisors (71006344).

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

53081336 is a wasteful number, since it uses less digits than its factorization.

53081336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86195 (or 86191 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53081336 is about 7285.6939271424. The cubic root of 53081336 is about 375.8206289458.

The spelling of 53081336 in words is "fifty-three million, eighty-one thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 86171 172342 344684 603197 689368 947881 1206394 1895762 2412788 3791524 4825576 6635167 7583048 13270334 26540668 53081336