Search a number
-
+
56506038 = 2319495667
BaseRepresentation
bin1101011110001…
…1011010110110
310221022210201020
43113203122312
5103431143123
65335042010
71254202431
oct327433266
9127283636
1056506038
1129994906
1216b10306
13b925834
14770c818
154e627e3
hex35e36b6

56506038 has 16 divisors (see below), whose sum is σ = 118960320. Its totient is φ = 17843976.

The previous prime is 56506033. The next prime is 56506039. The reversal of 56506038 is 83060565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56506031) 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, 247720 + ... + 247947.

It is an arithmetic number, because the mean of its divisors is an integer number (7435020).

Almost surely, 256506038 is an apocalyptic number.

56506038 is an abundant number, since it is smaller than the sum of its proper divisors (62454282).

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

56506038 is a wasteful number, since it uses less digits than its factorization.

56506038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495691.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56506038 is about 7517.0498202420. The cubic root of 56506038 is about 383.7351825421.

The spelling of 56506038 in words is "fifty-six million, five hundred six thousand, thirty-eight".

Divisors: 1 2 3 6 19 38 57 114 495667 991334 1487001 2974002 9417673 18835346 28253019 56506038