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2290465880 = 235101566947
BaseRepresentation
bin1000100010000101…
…1011110001011000
312220121220201111122
42020201123301120
514142324402010
61015140344412
7110521432043
oct21041336130
95817821448
102290465880
11a759a9a0a
1253b0a5108
132a66b7671
1417a2a9c5a
15d613b855
hex8885bc58

2290465880 has 32 divisors (see below), whose sum is σ = 5204582640. Its totient is φ = 907113600.

The previous prime is 2290465841. The next prime is 2290465889. The reversal of 2290465880 is 885640922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290465889) 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, 279434 + ... + 287513.

Almost surely, 22290465880 is an apocalyptic number.

2290465880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2290465880 is an abundant number, since it is smaller than the sum of its proper divisors (2914116760).

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

2290465880 is a wasteful number, since it uses less digits than its factorization.

2290465880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567059 (or 567055 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 2290465880 is about 47858.8119367792. The cubic root of 2290465880 is about 1318.1796686853.

The spelling of 2290465880 in words is "two billion, two hundred ninety million, four hundred sixty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 566947 1133894 2267788 2834735 4535576 5669470 11338940 22677880 57261647 114523294 229046588 286308235 458093176 572616470 1145232940 2290465880