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5985640 = 235151991
BaseRepresentation
bin10110110101010101101000
3102021002202101
4112311111220
53013020030
6332143144
7101606563
oct26652550
912232671
105985640
113419111
122007ab4
1313175cb
14b1b4da
157d37ca
hex5b5568

5985640 has 32 divisors (see below), whose sum is σ = 13570560. Its totient is φ = 2376000.

The previous prime is 5985613. The next prime is 5985647. The reversal of 5985640 is 465895.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5985640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5985647) 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, 5545 + ... + 6535.

It is an arithmetic number, because the mean of its divisors is an integer number (424080).

Almost surely, 25985640 is an apocalyptic number.

It is an amenable number.

5985640 is an abundant number, since it is smaller than the sum of its proper divisors (7584920).

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

5985640 is a wasteful number, since it uses less digits than its factorization.

5985640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5985640 is about 2446.5567641075. The cubic root of 5985640 is about 181.5669776358.

The spelling of 5985640 in words is "five million, nine hundred eighty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 151 302 604 755 991 1208 1510 1982 3020 3964 4955 6040 7928 9910 19820 39640 149641 299282 598564 748205 1197128 1496410 2992820 5985640