Search a number
-
+
56010215 = 561918097
BaseRepresentation
bin1101010110101…
…0010111100111
310220101121120102
43111222113213
5103314311330
65320254315
71250036042
oct325522747
9126347512
1056010215
1129686338
121691139b
13b7b0c51
14761dc59
154db5945
hex356a5e7

56010215 has 8 divisors (see below), whose sum is σ = 67324560. Its totient is φ = 44733312.

The previous prime is 56010203. The next prime is 56010217. The reversal of 56010215 is 51201065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56010215 - 26 = 56010151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56010217) 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, 5954 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (8415570).

Almost surely, 256010215 is an apocalyptic number.

56010215 is a deficient number, since it is larger than the sum of its proper divisors (11314345).

56010215 is a wasteful number, since it uses less digits than its factorization.

56010215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56010215 is about 7483.9972608226. The cubic root of 56010215 is about 382.6094977497.

The spelling of 56010215 in words is "fifty-six million, ten thousand, two hundred fifteen".

Divisors: 1 5 619 3095 18097 90485 11202043 56010215