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52708621 = 715714793
BaseRepresentation
bin1100100100010…
…0010100001101
310200011212122011
43021010110031
5101443133441
65121421221
71210005310
oct311042415
9120155564
1052708621
1127830849
121579a811
13abc6244
147000977
154962581
hex324450d

52708621 has 8 divisors (see below), whose sum is σ = 60289344. Its totient is φ = 45140640.

The previous prime is 52708613. The next prime is 52708651. The reversal of 52708621 is 12680725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52708621 - 23 = 52708613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52708651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8601 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (7536168).

Almost surely, 252708621 is an apocalyptic number.

It is an amenable number.

52708621 is a deficient number, since it is larger than the sum of its proper divisors (7580723).

52708621 is a wasteful number, since it uses less digits than its factorization.

52708621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 52708621 is about 7260.0703164639. The cubic root of 52708621 is about 374.9389435410.

The spelling of 52708621 in words is "fifty-two million, seven hundred eight thousand, six hundred twenty-one".

Divisors: 1 7 1571 4793 10997 33551 7529803 52708621