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20596797 = 3213176041
BaseRepresentation
bin100111010010…
…0100000111101
31102202102111100
41032210200331
520233044142
62013243313
7340032654
oct116444075
942672440
1020596797
1110698751
126a93539
134361c70
142a4219b
151c1cb4c
hex13a483d

20596797 has 12 divisors (see below), whose sum is σ = 32039644. Its totient is φ = 12674880.

The previous prime is 20596789. The next prime is 20596819. The reversal of 20596797 is 79769502.

It can be written as a sum of positive squares in 2 ways, for example, as 5433561 + 15163236 = 2331^2 + 3894^2 .

It is not a de Polignac number, because 20596797 - 23 = 20596789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20596727) 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, 87904 + ... + 88137.

Almost surely, 220596797 is an apocalyptic number.

It is an amenable number.

20596797 is a deficient number, since it is larger than the sum of its proper divisors (11442847).

20596797 is a wasteful number, since it uses less digits than its factorization.

20596797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176060 (or 176057 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 20596797 is about 4538.3694208383. The cubic root of 20596797 is about 274.1152701990.

The spelling of 20596797 in words is "twenty million, five hundred ninety-six thousand, seven hundred ninety-seven".

Divisors: 1 3 9 13 39 117 176041 528123 1584369 2288533 6865599 20596797