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2090657607 = 31518745887
BaseRepresentation
bin111110010011100…
…1110011101000111
312101200221102002020
41330213032131013
513240202020412
6543242014223
7102544203453
oct17447163507
95350842066
102090657607
11983138005
124a41a7373
1327419970c
1415b937663
15c381e18c
hex7c9ce747

2090657607 has 8 divisors (see below), whose sum is σ = 2787787776. Its totient is φ = 1393649592.

The previous prime is 2090657593. The next prime is 2090657623. The reversal of 2090657607 is 7067560902.

It is a happy number.

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

It is not a de Polignac number, because 2090657607 - 28 = 2090657351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090657677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22618 + ... + 68504.

It is an arithmetic number, because the mean of its divisors is an integer number (348473472).

Almost surely, 22090657607 is an apocalyptic number.

2090657607 is a deficient number, since it is larger than the sum of its proper divisors (697130169).

2090657607 is a wasteful number, since it uses less digits than its factorization.

2090657607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61077.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 2090657607 is about 45723.7094623785. The cubic root of 2090657607 is about 1278.6773461032.

The spelling of 2090657607 in words is "two billion, ninety million, six hundred fifty-seven thousand, six hundred seven".

Divisors: 1 3 15187 45561 45887 137661 696885869 2090657607