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56614321 = 69181931
BaseRepresentation
bin1101011111110…
…1110110110001
310221112022020201
43113331312301
5103443124241
65341235201
71255133221
oct327756661
9127468221
1056614321
1129a591a5
1216b62b01
13b962bca
14773a081
154e84931
hex35fddb1

56614321 has 4 divisors (see below), whose sum is σ = 56696944. Its totient is φ = 56531700.

The previous prime is 56614309. The next prime is 56614331. The reversal of 56614321 is 12341665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56614321 - 25 = 56614289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56614321.

It is not an unprimeable number, because it can be changed into a prime (56614331) 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, 40275 + ... + 41656.

It is an arithmetic number, because the mean of its divisors is an integer number (14174236).

Almost surely, 256614321 is an apocalyptic number.

It is an amenable number.

56614321 is a deficient number, since it is larger than the sum of its proper divisors (82623).

56614321 is an equidigital number, since it uses as much as digits as its factorization.

56614321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82622.

The product of its digits is 4320, while the sum is 28.

The square root of 56614321 is about 7524.2488661660. The cubic root of 56614321 is about 383.9801444631.

Adding to 56614321 its reverse (12341665), we get a palindrome (68955986).

The spelling of 56614321 in words is "fifty-six million, six hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 691 81931 56614321