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5631860 = 2251321661
BaseRepresentation
bin10101011110111101110100
3101121010110102
4111132331310
52420204420
6320413232
765604263
oct25367564
911533412
105631860
1131a7333
121a77218
131222580
14a685da
15763a75
hex55ef74

5631860 has 24 divisors (see below), whose sum is σ = 12737256. Its totient is φ = 2079360.

The previous prime is 5631851. The next prime is 5631889. The reversal of 5631860 is 681365.

It can be written as a sum of positive squares in 4 ways, for example, as 5476 + 5626384 = 74^2 + 2372^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 10571 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (530719).

Almost surely, 25631860 is an apocalyptic number.

It is an amenable number.

5631860 is an abundant number, since it is smaller than the sum of its proper divisors (7105396).

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

5631860 is a wasteful number, since it uses less digits than its factorization.

5631860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21683 (or 21681 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5631860 is about 2373.1540194433. The cubic root of 5631860 is about 177.9169330041.

The spelling of 5631860 in words is "five million, six hundred thirty-one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 21661 43322 86644 108305 216610 281593 433220 563186 1126372 1407965 2815930 5631860