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2255840292 = 223187986691
BaseRepresentation
bin1000011001110101…
…0110010000100100
312211012202120010110
42012131112100210
514104443342132
61011502253020
7106621216566
oct20635262044
95735676113
102255840292
11a583aa222
1252b587170
1329c483154
14175855336
15d309c1cc
hex86756424

2255840292 has 12 divisors (see below), whose sum is σ = 5263627376. Its totient is φ = 751946760.

The previous prime is 2255840269. The next prime is 2255840297. The reversal of 2255840292 is 2920485522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2255840292.

It is not an unprimeable number, because it can be changed into a prime (2255840297) 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 3 ways as a sum of consecutive naturals, for example, 93993334 + ... + 93993357.

Almost surely, 22255840292 is an apocalyptic number.

It is an amenable number.

2255840292 is an abundant number, since it is smaller than the sum of its proper divisors (3007787084).

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

2255840292 is a wasteful number, since it uses less digits than its factorization.

2255840292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187986698 (or 187986696 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2255840292 is about 47495.6870884084. The cubic root of 2255840292 is about 1311.5034875465.

The spelling of 2255840292 in words is "two billion, two hundred fifty-five million, eight hundred forty thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 187986691 375973382 563960073 751946764 1127920146 2255840292