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20596153 = 197104549
BaseRepresentation
bin100111010010…
…0010110111001
31102202101121111
41032210112321
520233034103
62013240321
7340031044
oct116442671
942671544
1020596153
1110698216
126a930a1
134361896
142a41c5b
151c1c86d
hex13a45b9

20596153 has 4 divisors (see below), whose sum is σ = 20700900. Its totient is φ = 20491408.

The previous prime is 20596151. The next prime is 20596157. The reversal of 20596153 is 35169502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15342889 + 5253264 = 3917^2 + 2292^2 .

It is a cyclic number.

It is not a de Polignac number, because 20596153 - 21 = 20596151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20596151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52078 + ... + 52471.

It is an arithmetic number, because the mean of its divisors is an integer number (5175225).

Almost surely, 220596153 is an apocalyptic number.

It is an amenable number.

20596153 is a deficient number, since it is larger than the sum of its proper divisors (104747).

20596153 is a wasteful number, since it uses less digits than its factorization.

20596153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104746.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 20596153 is about 4538.2984696910. The cubic root of 20596153 is about 274.1124132487.

The spelling of 20596153 in words is "twenty million, five hundred ninety-six thousand, one hundred fifty-three".

Divisors: 1 197 104549 20596153