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560489540 = 2251310720147
BaseRepresentation
bin100001011010000…
…110010001000100
31110001122211002212
4201122012101010
52121441131130
6131341122552
716614040202
oct4132062104
91401584085
10560489540
112684220a6
12137859458
138c173b20
1454620072
1534315e95
hex21686444

560489540 has 48 divisors (see below), whose sum is σ = 1279478592. Its totient is φ = 205005696.

The previous prime is 560489539. The next prime is 560489543. The reversal of 560489540 is 45984065.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (560489543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17747 + ... + 37893.

It is an arithmetic number, because the mean of its divisors is an integer number (26655804).

Almost surely, 2560489540 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 560489540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639739296).

560489540 is an abundant number, since it is smaller than the sum of its proper divisors (718989052).

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

560489540 is a wasteful number, since it uses less digits than its factorization.

560489540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20276 (or 20274 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 560489540 is about 23674.6602932334. The cubic root of 560489540 is about 824.4971726279.

The spelling of 560489540 in words is "five hundred sixty million, four hundred eighty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 107 130 214 260 428 535 1070 1391 2140 2782 5564 6955 13910 20147 27820 40294 80588 100735 201470 261911 402940 523822 1047644 1309555 2155729 2619110 4311458 5238220 8622916 10778645 21557290 28024477 43114580 56048954 112097908 140122385 280244770 560489540