Search a number
-
+
56780373 = 3131455907
BaseRepresentation
bin1101100010011…
…0011001010101
310221211202000210
43120212121111
5104013432443
65345000033
71256424306
oct330463125
9127752023
1056780373
112a061a31
1217023019
13b9c0670
1477807ad
154eb8c33
hex3626655

56780373 has 8 divisors (see below), whose sum is σ = 81530848. Its totient is φ = 34941744.

The previous prime is 56780369. The next prime is 56780387. The reversal of 56780373 is 37308765.

56780373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56780373 - 22 = 56780369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1455907 = 56780373 / (5 + 6 + 7 + 8 + 0 + 3 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56780363) 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, 727915 + ... + 727992.

It is an arithmetic number, because the mean of its divisors is an integer number (10191356).

Almost surely, 256780373 is an apocalyptic number.

It is an amenable number.

56780373 is a deficient number, since it is larger than the sum of its proper divisors (24750475).

56780373 is a wasteful number, since it uses less digits than its factorization.

56780373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455923.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 56780373 is about 7535.2752438116. The cubic root of 56780373 is about 384.3551875835.

The spelling of 56780373 in words is "fifty-six million, seven hundred eighty thousand, three hundred seventy-three".

Divisors: 1 3 13 39 1455907 4367721 18926791 56780373