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5631180 = 2235127739
BaseRepresentation
bin10101011110110011001100
3101121002112020
4111132303030
52420144210
6320410140
765602302
oct25366314
911532466
105631180
1131a6875
121a76950
131222179
14a68272
15763770
hex55eccc

5631180 has 48 divisors (see below), whose sum is σ = 15912960. Its totient is φ = 1487808.

The previous prime is 5631179. The next prime is 5631187. The reversal of 5631180 is 811365.

It is a self number, because there is not a number n which added to its sum of digits gives 5631180.

It is not an unprimeable number, because it can be changed into a prime (5631187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7251 + ... + 7989.

It is an arithmetic number, because the mean of its divisors is an integer number (331520).

Almost surely, 25631180 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 5631180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7956480).

5631180 is an abundant number, since it is smaller than the sum of its proper divisors (10281780).

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

5631180 is a wasteful number, since it uses less digits than its factorization.

5631180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5631180 is about 2373.0107458669. The cubic root of 5631180 is about 177.9097720553.

The spelling of 5631180 in words is "five million, six hundred thirty-one thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 127 254 381 508 635 739 762 1270 1478 1524 1905 2217 2540 2956 3695 3810 4434 7390 7620 8868 11085 14780 22170 44340 93853 187706 281559 375412 469265 563118 938530 1126236 1407795 1877060 2815590 5631180