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2290649225 = 52811112979
BaseRepresentation
bin1000100010001000…
…1000100010001001
312220122021001000012
42020202020202021
514142401233400
61015144321305
7110523124424
oct21042104211
95818231005
102290649225
11a76014737
1253b173235
132a674cc57
1417a3169bb
15d6175d35
hex88888889

2290649225 has 12 divisors (see below), whose sum is σ = 2843932560. Its totient is φ = 1830243600.

The previous prime is 2290649149. The next prime is 2290649227. The reversal of 2290649225 is 5229460922.

It is a de Polignac number, because none of the positive numbers 2k-2290649225 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2290649227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36215 + ... + 76764.

It is an arithmetic number, because the mean of its divisors is an integer number (236994380).

Almost surely, 22290649225 is an apocalyptic number.

2290649225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2290649225 is a deficient number, since it is larger than the sum of its proper divisors (553283335).

2290649225 is a wasteful number, since it uses less digits than its factorization.

2290649225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113800 (or 113795 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2290649225 is about 47860.7273764200. The cubic root of 2290649225 is about 1318.2148398711.

The spelling of 2290649225 in words is "two billion, two hundred ninety million, six hundred forty-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 811 4055 20275 112979 564895 2824475 91625969 458129845 2290649225