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56105632 = 2511198389
BaseRepresentation
bin1101011000000…
…1101010100000
310220120110110101
43112001222200
5103330340012
65322312144
71250614162
oct326015240
9126513411
1056105632
1129740aa0
1216958654
13b8154cb
147646932
154dd3d57
hex3581aa0

56105632 has 48 divisors (see below), whose sum is σ = 126856800. Its totient is φ = 24157440.

The previous prime is 56105611. The next prime is 56105663. The reversal of 56105632 is 23650165.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56105632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494 + ... + 10882.

It is an arithmetic number, because the mean of its divisors is an integer number (2642850).

Almost surely, 256105632 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 56105632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63428400).

56105632 is an abundant number, since it is smaller than the sum of its proper divisors (70751168).

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

56105632 is a wasteful number, since it uses less digits than its factorization.

56105632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429 (or 8421 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56105632 is about 7490.3692832864. The cubic root of 56105632 is about 382.8266411114.

Adding to 56105632 its reverse (23650165), we get a palindrome (79755797).

The spelling of 56105632 in words is "fifty-six million, one hundred five thousand, six hundred thirty-two".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 76 88 152 176 209 304 352 418 608 836 1672 3344 6688 8389 16778 33556 67112 92279 134224 159391 184558 268448 318782 369116 637564 738232 1275128 1476464 1753301 2550256 2952928 3506602 5100512 7013204 14026408 28052816 56105632