Search a number
-
+
56678706 = 23271493019
BaseRepresentation
bin1101100000110…
…1100100110010
310221122120120100
43120031210302
5104002204311
65342453230
71255522020
oct330154462
9127576510
1056678706
1129aa2607
1216b94216
13b9862c6
147755710
154e98a56
hex360d932

56678706 has 48 divisors (see below), whose sum is σ = 141336000. Its totient is φ = 16079904.

The previous prime is 56678669. The next prime is 56678711. The reversal of 56678706 is 60787665.

56678706 is a `hidden beast` number, since 566 + 7 + 87 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17265 + ... + 20283.

It is an arithmetic number, because the mean of its divisors is an integer number (2944500).

Almost surely, 256678706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56678706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70668000).

56678706 is an abundant number, since it is smaller than the sum of its proper divisors (84657294).

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

56678706 is a wasteful number, since it uses less digits than its factorization.

56678706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 56678706 is about 7528.5261505822. The cubic root of 56678706 is about 384.1256506125.

The spelling of 56678706 in words is "fifty-six million, six hundred seventy-eight thousand, seven hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 149 298 447 894 1043 1341 2086 2682 3019 3129 6038 6258 9057 9387 18114 18774 21133 27171 42266 54342 63399 126798 190197 380394 449831 899662 1349493 2698986 3148817 4048479 6297634 8096958 9446451 18892902 28339353 56678706