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52547982 = 2325033499
BaseRepresentation
bin1100100001110…
…1000110001110
310122212201021120
43020131012032
5101423013412
65114141410
71205436054
oct310350616
9118781246
1052547982
1127731093
1215721866
13ab6b0a6
146d9c1d4
15492eb8c
hex321d18e

52547982 has 16 divisors (see below), whose sum is σ = 105168000. Its totient is φ = 17503992.

The previous prime is 52547981. The next prime is 52548011. The reversal of 52547982 is 28974525.

It is a super-2 number, since 2×525479822 = 5522580824544648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52547981) 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, 13269 + ... + 16767.

It is an arithmetic number, because the mean of its divisors is an integer number (6573000).

Almost surely, 252547982 is an apocalyptic number.

52547982 is an abundant number, since it is smaller than the sum of its proper divisors (52620018).

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

52547982 is a wasteful number, since it uses less digits than its factorization.

52547982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007.

The product of its digits is 201600, while the sum is 42.

The square root of 52547982 is about 7248.9986894743. The cubic root of 52547982 is about 374.5576579835.

The spelling of 52547982 in words is "fifty-two million, five hundred forty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 2503 3499 5006 6998 7509 10497 15018 20994 8757997 17515994 26273991 52547982