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56127808 = 2611611307
BaseRepresentation
bin1101011000011…
…1000101000000
310220121120212201
43112013011000
5103332042213
65323002544
71251035632
oct326070500
9126546781
1056127808
1129756720
1216969454
13b822629
147650a52
154dda6dd
hex3587140

56127808 has 56 divisors (see below), whose sum is σ = 123590304. Its totient is φ = 25075200.

The previous prime is 56127791. The next prime is 56127809. The reversal of 56127808 is 80872165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56127809) 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, 42291 + ... + 43597.

Almost surely, 256127808 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 56127808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61795152).

56127808 is an abundant number, since it is smaller than the sum of its proper divisors (67462496).

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

56127808 is a wasteful number, since it uses less digits than its factorization.

56127808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 56127808 is about 7491.8494378892. The cubic root of 56127808 is about 382.8770724438.

The spelling of 56127808 in words is "fifty-six million, one hundred twenty-seven thousand, eight hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 61 64 88 122 176 244 352 488 671 704 976 1307 1342 1952 2614 2684 3904 5228 5368 10456 10736 14377 20912 21472 28754 41824 42944 57508 79727 83648 115016 159454 230032 318908 460064 637816 876997 920128 1275632 1753994 2551264 3507988 5102528 7015976 14031952 28063904 56127808