Search a number
-
+
52516580 = 2252625829
BaseRepresentation
bin1100100001010…
…1011011100100
310122211010012112
43020111123210
5101421012310
65113340152
71205245364
oct310253344
9118733175
1052516580
112770a536
1215707658
13ab599cc
146d909a4
154925705
hex32156e4

52516580 has 12 divisors (see below), whose sum is σ = 110284860. Its totient is φ = 21006624.

The previous prime is 52516559. The next prime is 52516591. The reversal of 52516580 is 8561525.

It can be written as a sum of positive squares in 2 ways, for example, as 11888704 + 40627876 = 3448^2 + 6374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312895 + ... + 1312934.

It is an arithmetic number, because the mean of its divisors is an integer number (9190405).

Almost surely, 252516580 is an apocalyptic number.

It is an amenable number.

52516580 is an abundant number, since it is smaller than the sum of its proper divisors (57768280).

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

52516580 is a wasteful number, since it uses less digits than its factorization.

52516580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625838 (or 2625836 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 52516580 is about 7246.8324114747. The cubic root of 52516580 is about 374.4830328325.

The spelling of 52516580 in words is "fifty-two million, five hundred sixteen thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 2625829 5251658 10503316 13129145 26258290 52516580