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2256890246 = 213231137561
BaseRepresentation
bin1000011010000101…
…0110100110000110
312211021201220101122
42012201112212012
514110230441441
61011540553542
7106633151642
oct20641264606
95737656348
102256890246
11a58a57056
1252b9b28b2
1329c760020
14175a49c22
15d320834b
hex86856986

2256890246 has 16 divisors (see below), whose sum is σ = 3647420448. Its totient is φ = 1041163200.

The previous prime is 2256890239. The next prime is 2256890257. The reversal of 2256890246 is 6420986522.

It is a junction number, because it is equal to n+sod(n) for n = 2256890197 and 2256890206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41306 + ... + 78866.

It is an arithmetic number, because the mean of its divisors is an integer number (227963778).

Almost surely, 22256890246 is an apocalyptic number.

2256890246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2256890246 is a deficient number, since it is larger than the sum of its proper divisors (1390530202).

2256890246 is a wasteful number, since it uses less digits than its factorization.

2256890246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39887.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 2256890246 is about 47506.7389535422. The cubic root of 2256890246 is about 1311.7069305464.

The spelling of 2256890246 in words is "two billion, two hundred fifty-six million, eight hundred ninety thousand, two hundred forty-six".

Divisors: 1 2 13 26 2311 4622 30043 37561 60086 75122 488293 976586 86803471 173606942 1128445123 2256890246