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52536072 = 23331241293
BaseRepresentation
bin1100100001101…
…0001100001000
310122212002221110
43020122030020
5101422123242
65114010320
71205356251
oct310321410
9118762843
1052536072
1127723146
12157169a0
13ab65844
146d97b28
15492b39c
hex321a308

52536072 has 64 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 16819200.

The previous prime is 52536061. The next prime is 52536079. The reversal of 52536072 is 27063525.

It is a super-2 number, since 2×525360722 = 5520077722378368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52536079) 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, 179158 + ... + 179450.

It is an arithmetic number, because the mean of its divisors is an integer number (2134440).

Almost surely, 252536072 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 52536072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080).

52536072 is an abundant number, since it is smaller than the sum of its proper divisors (84068088).

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

52536072 is a wasteful number, since it uses less digits than its factorization.

52536072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 52536072 is about 7248.1771501530. The cubic root of 52536072 is about 374.5293580145.

Adding to 52536072 its reverse (27063525), we get a palindrome (79599597).

It can be divided in two parts, 5253 and 6072, that added together give a triangular number (11325 = T150).

The spelling of 52536072 in words is "fifty-two million, five hundred thirty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 241 248 293 372 482 586 723 744 879 964 1172 1446 1758 1928 2344 2892 3516 5784 7032 7471 9083 14942 18166 22413 27249 29884 36332 44826 54498 59768 70613 72664 89652 108996 141226 179304 211839 217992 282452 423678 564904 847356 1694712 2189003 4378006 6567009 8756012 13134018 17512024 26268036 52536072