Search a number
-
+
56167760 = 2451183769
BaseRepresentation
bin1101011001000…
…0110101010000
310220200121200102
43112100311100
5103334332020
65323511532
71251263255
oct326206520
9126617612
1056167760
1129783740
12169885a8
13b83787c
14766142c
154de7475
hex3590d50

56167760 has 80 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 20152320.

The previous prime is 56167759. The next prime is 56167777. The reversal of 56167760 is 6776165.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72656 + ... + 73424.

It is an arithmetic number, because the mean of its divisors is an integer number (1804572).

Almost surely, 256167760 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 56167760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72182880).

56167760 is an abundant number, since it is smaller than the sum of its proper divisors (88198000).

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

56167760 is a wasteful number, since it uses less digits than its factorization.

56167760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 56167760 is about 7494.5153278915. The cubic root of 56167760 is about 382.9678953790.

The spelling of 56167760 in words is "fifty-six million, one hundred sixty-seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 83 88 110 166 176 220 332 415 440 664 769 830 880 913 1328 1538 1660 1826 3076 3320 3652 3845 4565 6152 6640 7304 7690 8459 9130 12304 14608 15380 16918 18260 30760 33836 36520 42295 61520 63827 67672 73040 84590 127654 135344 169180 255308 319135 338360 510616 638270 676720 702097 1021232 1276540 1404194 2553080 2808388 3510485 5106160 5616776 7020970 11233552 14041940 28083880 56167760