Search a number
-
+
56801825 = 522272073
BaseRepresentation
bin1101100010101…
…1101000100001
310221212211110022
43120223220201
5104020124300
65345243225
71256543663
oct330535041
9127784408
1056801825
112a077063
1217033515
13b9ca362
147788533
154ec0285
hex362ba21

56801825 has 6 divisors (see below), whose sum is σ = 70434294. Its totient is φ = 45441440.

The previous prime is 56801819. The next prime is 56801831. The reversal of 56801825 is 52810865.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56801819) and next prime (56801831).

It can be written as a sum of positive squares in 3 ways, for example, as 19298449 + 37503376 = 4393^2 + 6124^2 .

It is not a de Polignac number, because 56801825 - 212 = 56797729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136012 + ... + 1136061.

It is an arithmetic number, because the mean of its divisors is an integer number (11739049).

Almost surely, 256801825 is an apocalyptic number.

It is an amenable number.

56801825 is a deficient number, since it is larger than the sum of its proper divisors (13632469).

56801825 is a wasteful number, since it uses less digits than its factorization.

56801825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272083 (or 2272078 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 56801825 is about 7536.6985477728. The cubic root of 56801825 is about 384.4035854652.

The spelling of 56801825 in words is "fifty-six million, eight hundred one thousand, eight hundred twenty-five".

Divisors: 1 5 25 2272073 11360365 56801825