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52613844 = 22317349739
BaseRepresentation
bin1100100010110…
…1001011010100
310200000001121220
43020231023110
5101432120334
65115410340
71206132063
oct310551324
9120001556
1052613844
1127776618
12157539b0
13ab9206a
146db81da
154944449
hex322d2d4

52613844 has 48 divisors (see below), whose sum is σ = 130536000. Its totient is φ = 16436736.

The previous prime is 52613843. The next prime is 52613881. The reversal of 52613844 is 44831625.

It is a super-3 number, since 3×526138443 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52613843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70827 + ... + 71565.

It is an arithmetic number, because the mean of its divisors is an integer number (2719500).

Almost surely, 252613844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52613844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65268000).

52613844 is an abundant number, since it is smaller than the sum of its proper divisors (77922156).

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

52613844 is a wasteful number, since it uses less digits than its factorization.

52613844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 52613844 is about 7253.5401012195. The cubic root of 52613844 is about 374.7140789420.

The spelling of 52613844 in words is "fifty-two million, six hundred thirteen thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 349 698 739 1047 1396 1478 2094 2217 2956 4188 4434 5933 8868 11866 12563 17799 23732 25126 35598 37689 50252 71196 75378 150756 257911 515822 773733 1031644 1547466 3094932 4384487 8768974 13153461 17537948 26306922 52613844