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2290455 = 325232213
BaseRepresentation
bin1000101111001100010111
311022100220200
420233030113
51041243310
6121031543
725316466
oct10571427
94270820
102290455
111324942
129255b3
136226cb
144389dd
153039c0
hex22f317

2290455 has 24 divisors (see below), whose sum is σ = 4144608. Its totient is φ = 1167936.

The previous prime is 2290441. The next prime is 2290459. The reversal of 2290455 is 5540922.

It is not a de Polignac number, because 2290455 - 25 = 2290423 is a prime.

It is a d-powerful number, because it can be written as 28 + 218 + 95 + 0 + 44 + 56 + 59 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (172692).

22290455 is an apocalyptic number.

2290455 is a deficient number, since it is larger than the sum of its proper divisors (1854153).

2290455 is a wasteful number, since it uses less digits than its factorization.

2290455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2290455 is about 1513.4249238069. The cubic root of 2290455 is about 131.8177581509.

The spelling of 2290455 in words is "two million, two hundred ninety thousand, four hundred fifty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 2213 6639 11065 19917 33195 50899 99585 152697 254495 458091 763485 2290455