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5720840 = 2351747179
BaseRepresentation
bin10101110100101100001000
3101202122111222
4111310230020
52431031330
6322341212
766424556
oct25645410
911678458
105720840
113258174
121aba808
131253c18
14a8cbd6
157800e5
hex574b08

5720840 has 64 divisors (see below), whose sum is σ = 13996800. Its totient is φ = 2096128.

The previous prime is 5720839. The next prime is 5720863. The reversal of 5720840 is 480275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31871 + ... + 32049.

It is an arithmetic number, because the mean of its divisors is an integer number (218700).

Almost surely, 25720840 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 5720840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6998400).

5720840 is an abundant number, since it is smaller than the sum of its proper divisors (8275960).

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

5720840 is a wasteful number, since it uses less digits than its factorization.

5720840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 5720840 is about 2391.8277529956. The cubic root of 5720840 is about 178.8490347257.

The spelling of 5720840 in words is "five million, seven hundred twenty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 47 68 85 94 136 170 179 188 235 340 358 376 470 680 716 799 895 940 1432 1598 1790 1880 3043 3196 3580 3995 6086 6392 7160 7990 8413 12172 15215 15980 16826 24344 30430 31960 33652 42065 60860 67304 84130 121720 143021 168260 286042 336520 572084 715105 1144168 1430210 2860420 5720840