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2255231 = 11613361
BaseRepresentation
bin1000100110100101111111
311020120121002
420212211333
51034131411
6120200515
725112006
oct10464577
94216532
102255231
111300430
1290913b
1360c674
14429c3d
152e833b
hex22697f

2255231 has 8 divisors (see below), whose sum is σ = 2501328. Its totient is φ = 2016000.

The previous prime is 2255191. The next prime is 2255233. The reversal of 2255231 is 1325522.

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 2255231 - 218 = 1993087 is a prime.

It is a super-2 number, since 2×22552312 = 10172133726722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255233) by changing a digit.

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, 1010 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (312666).

22255231 is an apocalyptic number.

2255231 is a deficient number, since it is larger than the sum of its proper divisors (246097).

2255231 is a wasteful number, since it uses less digits than its factorization.

2255231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its digits is 600, while the sum is 20.

The square root of 2255231 is about 1501.7426543852. The cubic root of 2255231 is about 131.1385399911.

The spelling of 2255231 in words is "two million, two hundred fifty-five thousand, two hundred thirty-one".

Divisors: 1 11 61 671 3361 36971 205021 2255231