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54307656 = 233213173413
BaseRepresentation
bin1100111100101…
…0101101001000
310210012010002200
43033022231020
5102400321111
65220000200
71226415234
oct317125510
9123163080
1054307656
1128723167
1216230060
13b336010
1472d95c4
154b7b256
hex33cab48

54307656 has 96 divisors (see below), whose sum is σ = 167763960. Its totient is φ = 15722496.

The previous prime is 54307621. The next prime is 54307679. The reversal of 54307656 is 65670345.

54307656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52794756 + 1512900 = 7266^2 + 1230^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 54307656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14206 + ... + 17618.

Almost surely, 254307656 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 54307656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83881980).

54307656 is an abundant number, since it is smaller than the sum of its proper divisors (113456304).

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

54307656 is a wasteful number, since it uses less digits than its factorization.

54307656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3448 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 54307656 is about 7369.3728362731. The cubic root of 54307656 is about 378.6927750684.

The spelling of 54307656 in words is "fifty-four million, three hundred seven thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 13 17 18 24 26 34 36 39 51 52 68 72 78 102 104 117 136 153 156 204 221 234 306 312 408 442 468 612 663 884 936 1224 1326 1768 1989 2652 3413 3978 5304 6826 7956 10239 13652 15912 20478 27304 30717 40956 44369 58021 61434 81912 88738 116042 122868 133107 174063 177476 232084 245736 266214 348126 354952 399321 464168 522189 532428 696252 754273 798642 1044378 1064856 1392504 1508546 1597284 2088756 2262819 3017092 3194568 4177512 4525638 6034184 6788457 9051276 13576914 18102552 27153828 54307656