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52086180 = 2235868103
BaseRepresentation
bin1100011010110…
…0010110100100
310122000020210210
43012230112210
5101313224210
65100215420
71201503516
oct306542644
9118006723
1052086180
1127446133
121553a570
13aa38b33
146cbbbb6
15488ce20
hex31ac5a4

52086180 has 24 divisors (see below), whose sum is σ = 145841472. Its totient is φ = 13889632.

The previous prime is 52086179. The next prime is 52086193. The reversal of 52086180 is 8168025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433992 + ... + 434111.

It is an arithmetic number, because the mean of its divisors is an integer number (6076728).

Almost surely, 252086180 is an apocalyptic number.

It is an amenable number.

52086180 is an abundant number, since it is smaller than the sum of its proper divisors (93755292).

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

52086180 is a wasteful number, since it uses less digits than its factorization.

52086180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868115 (or 868113 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 52086180 is about 7217.0755850275. The cubic root of 52086180 is about 373.4571991908.

The spelling of 52086180 in words is "fifty-two million, eighty-six thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 868103 1736206 2604309 3472412 4340515 5208618 8681030 10417236 13021545 17362060 26043090 52086180