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56270144 = 2672343127
BaseRepresentation
bin1101011010100…
…1110101000000
310220212211010102
43112221311000
5103401121034
65330021532
71252200620
oct326516500
9126784112
1056270144
1129843657
1216a178a8
13b872358
14768a880
154e1797e
hex35a9d40

56270144 has 112 divisors (see below), whose sum is σ = 137330688. Its totient is φ = 22353408.

The previous prime is 56270143. The next prime is 56270183. The reversal of 56270144 is 44107265.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56270143) 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, 443009 + ... + 443135.

Almost surely, 256270144 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 56270144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68665344).

56270144 is an abundant number, since it is smaller than the sum of its proper divisors (81060544).

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

56270144 is a wasteful number, since it uses less digits than its factorization.

56270144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 56270144 is about 7501.3428131235. The cubic root of 56270144 is about 383.2004486261.

The spelling of 56270144 in words is "fifty-six million, two hundred seventy thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 23 28 32 43 46 56 64 86 92 112 127 161 172 184 224 254 301 322 344 368 448 508 602 644 688 736 889 989 1016 1204 1288 1376 1472 1778 1978 2032 2408 2576 2752 2921 3556 3956 4064 4816 5152 5461 5842 6923 7112 7912 8128 9632 10304 10922 11684 13846 14224 15824 19264 20447 21844 23368 27692 28448 31648 38227 40894 43688 46736 55384 56896 63296 76454 81788 87376 93472 110768 125603 152908 163576 174752 186944 221536 251206 305816 327152 349504 443072 502412 611632 654304 879221 1004824 1223264 1308608 1758442 2009648 2446528 3516884 4019296 7033768 8038592 14067536 28135072 56270144