Search a number
-
+
56216862 = 23313731097
BaseRepresentation
bin1101011001110…
…0110100011110
310220210010001000
43112130310132
5103342414422
65324531130
71251556362
oct326346436
9126703030
1056216862
1129807619
12169b0aa6
13b854020
1476752a2
154e06cac
hex359cd1e

56216862 has 64 divisors (see below), whose sum is σ = 136503360. Its totient is φ = 17044992.

The previous prime is 56216861. The next prime is 56216879. The reversal of 56216862 is 26861265.

56216862 is a `hidden beast` number, since 562 + 16 + 86 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56216861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50698 + ... + 51794.

It is an arithmetic number, because the mean of its divisors is an integer number (2132865).

Almost surely, 256216862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56216862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68251680).

56216862 is an abundant number, since it is smaller than the sum of its proper divisors (80286498).

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

56216862 is a wasteful number, since it uses less digits than its factorization.

56216862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1188 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 56216862 is about 7497.7904745331. The cubic root of 56216862 is about 383.0794600477.

It can be divided in two parts, 562 and 16862, that added together give a square (17424 = 1322).

The spelling of 56216862 in words is "fifty-six million, two hundred sixteen thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 73 78 117 146 219 234 351 438 657 702 949 1097 1314 1898 1971 2194 2847 3291 3942 5694 6582 8541 9873 14261 17082 19746 25623 28522 29619 42783 51246 59238 80081 85566 128349 160162 240243 256698 385047 480486 720729 770094 1041053 1441458 2082106 2162187 3123159 4324374 6246318 9369477 18738954 28108431 56216862