Search a number
-
+
56907307 = 268921163
BaseRepresentation
bin1101100100010…
…1011000101011
310222002012011001
43121011120223
5104032013212
65351415431
71260463342
oct331053053
9128065131
1056907307
112a139336
1217084577
13ba36382
1477b4b59
154ee1657
hex364562b

56907307 has 4 divisors (see below), whose sum is σ = 56931160. Its totient is φ = 56883456.

The previous prime is 56907287. The next prime is 56907341. The reversal of 56907307 is 70370965.

56907307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56907307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56907407) 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 3 ways as a sum of consecutive naturals, for example, 7893 + ... + 13270.

It is an arithmetic number, because the mean of its divisors is an integer number (14232790).

Almost surely, 256907307 is an apocalyptic number.

56907307 is a deficient number, since it is larger than the sum of its proper divisors (23853).

56907307 is a wasteful number, since it uses less digits than its factorization.

56907307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23852.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 56907307 is about 7543.6931936552. The cubic root of 56907307 is about 384.6413864257.

The spelling of 56907307 in words is "fifty-six million, nine hundred seven thousand, three hundred seven".

Divisors: 1 2689 21163 56907307