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56077361 = 61919301
BaseRepresentation
bin1101010111101…
…0110000110001
310220112000200022
43111322300301
5103323433421
65321533225
71250435564
oct325726061
9126460608
1056077361
112972182a
1216944215
13b805692
14763a4db
154dca7ab
hex357ac31

56077361 has 4 divisors (see below), whose sum is σ = 56996724. Its totient is φ = 55158000.

The previous prime is 56077337. The next prime is 56077367. The reversal of 56077361 is 16377065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16377065 = 53275413.

It can be written as a sum of positive squares in 2 ways, for example, as 4596736 + 51480625 = 2144^2 + 7175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56077361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56077367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459590 + ... + 459711.

It is an arithmetic number, because the mean of its divisors is an integer number (14249181).

Almost surely, 256077361 is an apocalyptic number.

It is an amenable number.

56077361 is a deficient number, since it is larger than the sum of its proper divisors (919363).

56077361 is an equidigital number, since it uses as much as digits as its factorization.

56077361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919362.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 56077361 is about 7488.4818888744. The cubic root of 56077361 is about 382.7623296217.

The spelling of 56077361 in words is "fifty-six million, seventy-seven thousand, three hundred sixty-one".

Divisors: 1 61 919301 56077361