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5711920 = 24571399
BaseRepresentation
bin10101110010100000110000
3101202012021121
4111302200300
52430240140
6322232024
766356554
oct25624060
911665247
105711920
1132514a5
121ab5614
13124cb46
14a89864
1577c64a
hex572830

5711920 has 20 divisors (see below), whose sum is σ = 13280400. Its totient is φ = 2284736.

The previous prime is 5711917. The next prime is 5711921. The reversal of 5711920 is 291175.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5711921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35620 + ... + 35779.

It is an arithmetic number, because the mean of its divisors is an integer number (664020).

Almost surely, 25711920 is an apocalyptic number.

It is an amenable number.

5711920 is an abundant number, since it is smaller than the sum of its proper divisors (7568480).

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

5711920 is a wasteful number, since it uses less digits than its factorization.

5711920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71412 (or 71406 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5711920 is about 2389.9623427996. The cubic root of 5711920 is about 178.7560318763.

The spelling of 5711920 in words is "five million, seven hundred eleven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 71399 142798 285596 356995 571192 713990 1142384 1427980 2855960 5711920