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56320512 = 29337991
BaseRepresentation
bin1101011011011…
…0001000000000
310220222101012220
43112312020000
5103404224022
65331051040
71252500513
oct326661000
9126871186
1056320512
1129878486
1216a40a80
13b88c261
1476a0d7a
154e2785c
hex35b6200

56320512 has 80 divisors (see below), whose sum is σ = 154252032. Its totient is φ = 18247680.

The previous prime is 56320501. The next prime is 56320513. The reversal of 56320512 is 21502365.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320513) 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, 56337 + ... + 57327.

Almost surely, 256320512 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 56320512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77126016).

56320512 is an abundant number, since it is smaller than the sum of its proper divisors (97931520).

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

56320512 is an equidigital number, since it uses as much as digits as its factorization.

56320512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56320512 is about 7504.6993277546. The cubic root of 56320512 is about 383.3147501178.

Adding to 56320512 its reverse (21502365), we get a palindrome (77822877).

The spelling of 56320512 in words is "fifty-six million, three hundred twenty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 128 148 192 222 256 296 384 444 512 592 768 888 991 1184 1536 1776 1982 2368 2973 3552 3964 4736 5946 7104 7928 9472 11892 14208 15856 18944 23784 28416 31712 36667 47568 56832 63424 73334 95136 110001 126848 146668 190272 220002 253696 293336 380544 440004 507392 586672 761088 880008 1173344 1522176 1760016 2346688 3520032 4693376 7040064 9386752 14080128 18773504 28160256 56320512