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52153872 = 2436716217
BaseRepresentation
bin1100011011110…
…0111000010000
310122010200122220
43012330320100
5101322410442
65101501040
71202205051
oct306747020
9118120586
1052153872
1127491a81
1215571780
13aa608a4
146cd8728
1548a2eec
hex31bce10

52153872 has 40 divisors (see below), whose sum is σ = 136750176. Its totient is φ = 17124096.

The previous prime is 52153867. The next prime is 52153877. The reversal of 52153872 is 27835125.

It is an interprime number because it is at equal distance from previous prime (52153867) and next prime (52153877).

It is not an unprimeable number, because it can be changed into a prime (52153877) 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, 4893 + ... + 11324.

Almost surely, 252153872 is an apocalyptic number.

It is an amenable number.

52153872 is an abundant number, since it is smaller than the sum of its proper divisors (84596304).

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

52153872 is a wasteful number, since it uses less digits than its factorization.

52153872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295 (or 16289 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 52153872 is about 7221.7637734836. The cubic root of 52153872 is about 373.6189127277.

Adding to 52153872 its reverse (27835125), we get a palindrome (79988997).

The spelling of 52153872 in words is "fifty-two million, one hundred fifty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 804 1072 1608 3216 16217 32434 48651 64868 97302 129736 194604 259472 389208 778416 1086539 2173078 3259617 4346156 6519234 8692312 13038468 17384624 26076936 52153872