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52520651 = 131587683
BaseRepresentation
bin1100100001011…
…0011011001011
310122211022210022
43020112123023
5101421130101
65113411055
71205263301
oct310263313
9118738708
1052520651
11277125a7
1215709a8b
13ab5b811
146d92271
154926a1b
hex32166cb

52520651 has 8 divisors (see below), whose sum is σ = 53089344. Its totient is φ = 51954760.

The previous prime is 52520647. The next prime is 52520659. The reversal of 52520651 is 15602525.

52520651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52520651 - 22 = 52520647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52520651.

It is not an unprimeable number, because it can be changed into a prime (52520659) 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, 76556 + ... + 77238.

It is an arithmetic number, because the mean of its divisors is an integer number (6636168).

Almost surely, 252520651 is an apocalyptic number.

52520651 is a deficient number, since it is larger than the sum of its proper divisors (568693).

52520651 is a wasteful number, since it uses less digits than its factorization.

52520651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 52520651 is about 7247.1132873717. The cubic root of 52520651 is about 374.4927090214.

The spelling of 52520651 in words is "fifty-two million, five hundred twenty thousand, six hundred fifty-one".

Divisors: 1 131 587 683 76897 89473 400921 52520651