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1560561132 = 2231323434939
BaseRepresentation
bin101110100000100…
…0100010111101100
311000202110201102110
41131001010113230
511144000424012
6414504124020
753446356624
oct13501042754
94022421373
101560561132
11730994749
12376766610
131bb407770
1410b389884
159200d73c
hex5d0445ec

1560561132 has 48 divisors (see below), whose sum is σ = 4091915520. Its totient is φ = 459294528.

The previous prime is 1560561061. The next prime is 1560561133. The reversal of 1560561132 is 2311650651.

It is a self number, because there is not a number n which added to its sum of digits gives 1560561132.

It is not an unprimeable number, because it can be changed into a prime (1560561133) 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, 213882 + ... + 221057.

It is an arithmetic number, because the mean of its divisors is an integer number (85248240).

Almost surely, 21560561132 is an apocalyptic number.

1560561132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1560561132 is an abundant number, since it is smaller than the sum of its proper divisors (2531354388).

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

1560561132 is a wasteful number, since it uses less digits than its factorization.

1560561132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434982 (or 434980 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1560561132 is about 39503.9381834267. The cubic root of 1560561132 is about 1159.9170402423.

The spelling of 1560561132 in words is "one billion, five hundred sixty million, five hundred sixty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1794 3588 434939 869878 1304817 1739756 2609634 5219268 5654207 10003597 11308414 16962621 20007194 22616828 30010791 33925242 40014388 60021582 67850484 120043164 130046761 260093522 390140283 520187044 780280566 1560561132