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2053857959 = 3331616589
BaseRepresentation
bin111101001101011…
…0110001010100111
312022010200210110022
41322122312022213
513201241423314
6535445145355
7101616335036
oct17232661247
95263623408
102053857959
1196439297a
124939bb25b
1326968378a
14156ab871d
15c04a078e
hex7a6b62a7

2053857959 has 4 divisors (see below), whose sum is σ = 2054477880. Its totient is φ = 2053238040.

The previous prime is 2053857931. The next prime is 2053858013. The reversal of 2053857959 is 9597583502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2053857959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2053857959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053857859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304964 + ... + 311625.

It is an arithmetic number, because the mean of its divisors is an integer number (513619470).

Almost surely, 22053857959 is an apocalyptic number.

2053857959 is a deficient number, since it is larger than the sum of its proper divisors (619921).

2053857959 is an equidigital number, since it uses as much as digits as its factorization.

2053857959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619920.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The square root of 2053857959 is about 45319.5096950530. The cubic root of 2053857959 is about 1271.1304871908.

The spelling of 2053857959 in words is "two billion, fifty-three million, eight hundred fifty-seven thousand, nine hundred fifty-nine".

Divisors: 1 3331 616589 2053857959