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2290620953 = 17971389097
BaseRepresentation
bin1000100010001000…
…0001101000011001
312220122012121020002
42020202001220121
514142344332303
61015143542345
7110522646125
oct21042015031
95818177202
102290620953
11a75aa5475
1253b15a9b5
132a674011a
1417a30a585
15d616c788
hex88881a19

2290620953 has 8 divisors (see below), whose sum is σ = 2450368872. Its totient is φ = 2133651456.

The previous prime is 2290620947. The next prime is 2290620971. The reversal of 2290620953 is 3590260922.

It can be written as a sum of positive squares in 4 ways, for example, as 688380169 + 1602240784 = 26237^2 + 40028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2290620953 - 26 = 2290620889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2290620973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692900 + ... + 696197.

It is an arithmetic number, because the mean of its divisors is an integer number (306296109).

Almost surely, 22290620953 is an apocalyptic number.

It is an amenable number.

2290620953 is a deficient number, since it is larger than the sum of its proper divisors (159747919).

2290620953 is a wasteful number, since it uses less digits than its factorization.

2290620953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389211.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2290620953 is about 47860.4320185265. The cubic root of 2290620953 is about 1318.2094165581.

The spelling of 2290620953 in words is "two billion, two hundred ninety million, six hundred twenty thousand, nine hundred fifty-three".

Divisors: 1 17 97 1649 1389097 23614649 134742409 2290620953