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2256457001 = 19115237757
BaseRepresentation
bin1000011001111110…
…1100110100101001
312211020220220002112
42012133230310221
514110123111001
61011523412105
7106626365561
oct20637546451
95736826075
102256457001
11a587905a7
1252b824035
1329c63aa76
14175975da1
15d316ecbb
hex867ecd29

2256457001 has 8 divisors (see below), whose sum is σ = 2270052864. Its totient is φ = 2242880080.

The previous prime is 2256456989. The next prime is 2256457009. The reversal of 2256457001 is 1007546522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2256457001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256457009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287015 + ... + 294771.

It is an arithmetic number, because the mean of its divisors is an integer number (283756608).

Almost surely, 22256457001 is an apocalyptic number.

It is an amenable number.

2256457001 is a deficient number, since it is larger than the sum of its proper divisors (13595863).

2256457001 is a wasteful number, since it uses less digits than its factorization.

2256457001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2256457001 is about 47502.1789079196. The cubic root of 2256457001 is about 1311.6229910286.

The spelling of 2256457001 in words is "two billion, two hundred fifty-six million, four hundred fifty-seven thousand, one".

Divisors: 1 191 1523 7757 290893 1481587 11813911 2256457001