Search a number
-
+
56806406 = 263145013
BaseRepresentation
bin1101100010110…
…0110000000110
310221220001201222
43120230300012
5104020301111
65345320342
71256563226
oct330546006
9127801658
1056806406
112a07a548
12170360b2
13b9cc477
14778a086
154ec17db
hex362cc06

56806406 has 8 divisors (see below), whose sum is σ = 85346544. Its totient is φ = 28357560.

The previous prime is 56806403. The next prime is 56806423. The reversal of 56806406 is 60460865.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56806403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21245 + ... + 23768.

It is an arithmetic number, because the mean of its divisors is an integer number (10668318).

Almost surely, 256806406 is an apocalyptic number.

56806406 is a deficient number, since it is larger than the sum of its proper divisors (28540138).

56806406 is a wasteful number, since it uses less digits than its factorization.

56806406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45646.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 56806406 is about 7537.0024545571. The cubic root of 56806406 is about 384.4139190856.

The spelling of 56806406 in words is "fifty-six million, eight hundred six thousand, four hundred six".

Divisors: 1 2 631 1262 45013 90026 28403203 56806406