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2290646463 = 37217390073
BaseRepresentation
bin1000100010001000…
…0111110110111111
312220122020220012220
42020202013312333
514142401141323
61015144300423
7110523113400
oct21042076677
95818226186
102290646463
11a76012656
1253b171713
132a674b911
1417a3159a7
15d61750e3
hex88887dbf

2290646463 has 24 divisors (see below), whose sum is σ = 3573415728. Its totient is φ = 1301360256.

The previous prime is 2290646443. The next prime is 2290646471. The reversal of 2290646463 is 3646460922.

It is not a de Polignac number, because 2290646463 - 26 = 2290646399 is a prime.

It is a super-2 number, since 2×22906464632 = 10494122436908820738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290646443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19606 + ... + 70467.

It is an arithmetic number, because the mean of its divisors is an integer number (148892322).

Almost surely, 22290646463 is an apocalyptic number.

2290646463 is a deficient number, since it is larger than the sum of its proper divisors (1282769265).

2290646463 is a wasteful number, since it uses less digits than its factorization.

2290646463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90263 (or 90256 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 2290646463 is about 47860.6985218561. The cubic root of 2290646463 is about 1318.2143100488.

The spelling of 2290646463 in words is "two billion, two hundred ninety million, six hundred forty-six thousand, four hundred sixty-three".

Divisors: 1 3 7 21 49 147 173 519 1211 3633 8477 25431 90073 270219 630511 1891533 4413577 13240731 15582629 46747887 109078403 327235209 763548821 2290646463