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2256902790 = 23575230093
BaseRepresentation
bin1000011010000101…
…1001101010000110
312211021202112121020
42012201121222012
514110231342130
61011541132010
7106633233342
oct20641315206
95737675536
102256902790
11a58a6551a
1252b9ba006
1329c76594c
14175a50622
15d320be10
hex86859a86

2256902790 has 16 divisors (see below), whose sum is σ = 5416566768. Its totient is φ = 601840736.

The previous prime is 2256902777. The next prime is 2256902803. The reversal of 2256902790 is 972096522.

It is an interprime number because it is at equal distance from previous prime (2256902777) and next prime (2256902803).

It is a super-2 number, since 2×22569027902 = 10187220407019568200, which contains 22 as substring.

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, 37615017 + ... + 37615076.

It is an arithmetic number, because the mean of its divisors is an integer number (338535423).

Almost surely, 22256902790 is an apocalyptic number.

2256902790 is an abundant number, since it is smaller than the sum of its proper divisors (3159663978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256902790 is a wasteful number, since it uses less digits than its factorization.

2256902790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75230103.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2256902790 is about 47506.8709767335. The cubic root of 2256902790 is about 1311.7093607371.

The spelling of 2256902790 in words is "two billion, two hundred fifty-six million, nine hundred two thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 75230093 150460186 225690279 376150465 451380558 752300930 1128451395 2256902790