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2090620641 = 37879412
BaseRepresentation
bin111110010011100…
…0101011011100001
312101200212112101010
41330213011123201
513240144330031
6543241131133
7102543660624
oct17447053341
95350775333
102090620641
1198311225a
124a4189aa9
13274185945
1415b927dbb
15c3813246
hex7c9c56e1

2090620641 has 12 divisors (see below), whose sum is σ = 2794005296. Its totient is φ = 1390496880.

The previous prime is 2090620621. The next prime is 2090620661. The reversal of 2090620641 is 1460260902.

It is an interprime number because it is at equal distance from previous prime (2090620621) and next prime (2090620661).

It is not a de Polignac number, because 2090620641 - 218 = 2090358497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2090620599 and 2090620608.

It is not an unprimeable number, because it can be changed into a prime (2090620601) 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 11 ways as a sum of consecutive naturals, for example, 2221231 + ... + 2222171.

Almost surely, 22090620641 is an apocalyptic number.

It is an amenable number.

2090620641 is a deficient number, since it is larger than the sum of its proper divisors (703384655).

2090620641 is an frugal number, since it uses more digits than its factorization.

2090620641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2090620641 is about 45723.3052282969. The cubic root of 2090620641 is about 1278.6698097400.

The spelling of 2090620641 in words is "two billion, ninety million, six hundred twenty thousand, six hundred forty-one".

Divisors: 1 3 787 941 2361 2823 740567 885481 2221701 2656443 696873547 2090620641