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52152530 = 2519535179
BaseRepresentation
bin1100011011110…
…0100011010010
310122010121211012
43012330203102
5101322340110
65101450522
71202201123
oct306744322
9118117735
1052152530
1127490a71
1215570a42
13aa600b1
146cd804a
1548a2905
hex31bc8d2

52152530 has 32 divisors (see below), whose sum is σ = 100699200. Its totient is φ = 19386432.

The previous prime is 52152521. The next prime is 52152539. The reversal of 52152530 is 3525125.

52152530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52152521) and next prime (52152539).

It is a junction number, because it is equal to n+sod(n) for n = 52152496 and 52152505.

It is not an unprimeable number, because it can be changed into a prime (52152539) 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 15 ways as a sum of consecutive naturals, for example, 7481 + ... + 12659.

It is an arithmetic number, because the mean of its divisors is an integer number (3146850).

Almost surely, 252152530 is an apocalyptic number.

52152530 is a deficient number, since it is larger than the sum of its proper divisors (48546670).

52152530 is a wasteful number, since it uses less digits than its factorization.

52152530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52152530 is about 7221.6708592957. The cubic root of 52152530 is about 373.6157081022.

Adding to 52152530 its reverse (3525125), we get a palindrome (55677655).

The spelling of 52152530 in words is "fifty-two million, one hundred fifty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 53 95 106 190 265 530 1007 2014 5035 5179 10070 10358 25895 51790 98401 196802 274487 492005 548974 984010 1372435 2744870 5215253 10430506 26076265 52152530