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56037228 = 22313794547
BaseRepresentation
bin1101010111000…
…0111101101100
310220102222121220
43111300331230
5103321142403
65321023340
71250210562
oct325607554
9126388556
1056037228
11296a4665
1216924b50
13b7c0330
147629a32
154dbd953
hex3570f6c

56037228 has 48 divisors (see below), whose sum is σ = 142625280. Its totient is φ = 17020224.

The previous prime is 56037211. The next prime is 56037229. The reversal of 56037228 is 82273065.

It is not an unprimeable number, because it can be changed into a prime (56037229) 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, 10051 + ... + 14597.

It is an arithmetic number, because the mean of its divisors is an integer number (2971360).

Almost surely, 256037228 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 56037228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71312640).

56037228 is an abundant number, since it is smaller than the sum of its proper divisors (86588052).

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

56037228 is a wasteful number, since it uses less digits than its factorization.

56037228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 56037228 is about 7485.8017606667. The cubic root of 56037228 is about 382.6709970629.

It can be divided in two parts, 56037 and 228, that added together give a palindrome (56265).

The spelling of 56037228 in words is "fifty-six million, thirty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 79 156 158 237 316 474 948 1027 2054 3081 4108 4547 6162 9094 12324 13641 18188 27282 54564 59111 118222 177333 236444 354666 359213 709332 718426 1077639 1436852 2155278 4310556 4669769 9339538 14009307 18679076 28018614 56037228