Search a number
-
+
56002156 = 2275413697
BaseRepresentation
bin1101010110100…
…0011001101100
310220101012111221
43111220121230
5103314032111
65320153124
71250003410
oct325503154
9126335457
1056002156
1129680281
12169087a4
13b7aa392
14761ad40
154db3371
hex356866c

56002156 has 24 divisors (see below), whose sum is σ = 112241696. Its totient is φ = 23950080.

The previous prime is 56002153. The next prime is 56002157. The reversal of 56002156 is 65120065.

56002156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

56002156 is a modest number, since divided by 2156 gives 56 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 56002156.

It is not an unprimeable number, because it can be changed into a prime (56002153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13300 + ... + 16996.

Almost surely, 256002156 is an apocalyptic number.

It is an amenable number.

56002156 is an abundant number, since it is smaller than the sum of its proper divisors (56239540).

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

56002156 is a wasteful number, since it uses less digits than its factorization.

56002156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 56002156 is about 7483.4588259708. The cubic root of 56002156 is about 382.5911463482.

The spelling of 56002156 in words is "fifty-six million, two thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 541 1082 2164 3697 3787 7394 7574 14788 15148 25879 51758 103516 2000077 4000154 8000308 14000539 28001078 56002156