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2256404005 = 51034381367
BaseRepresentation
bin1000011001111101…
…1111111000100101
312211020211012101201
42012133133320211
514110114412010
61011522322501
7106626055222
oct20637377045
95736735351
102256404005
11a587547a9
1252b7b9431
1329c61c8cb
14175960949
15d315e23a
hex867dfe25

2256404005 has 8 divisors (see below), whose sum is σ = 2733973632. Its totient is φ = 1787597328.

The previous prime is 2256403987. The next prime is 2256404021. The reversal of 2256404005 is 5004046522.

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

It is a cyclic number.

It is not a de Polignac number, because 2256404005 - 211 = 2256401957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190169 + ... + 2191198.

It is an arithmetic number, because the mean of its divisors is an integer number (341746704).

Almost surely, 22256404005 is an apocalyptic number.

It is an amenable number.

2256404005 is a deficient number, since it is larger than the sum of its proper divisors (477569627).

2256404005 is a wasteful number, since it uses less digits than its factorization.

2256404005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381475.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2256404005 is about 47501.6210776011. The cubic root of 2256404005 is about 1311.6127225241.

The spelling of 2256404005 in words is "two billion, two hundred fifty-six million, four hundred four thousand, five".

Divisors: 1 5 103 515 4381367 21906835 451280801 2256404005