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192090205 = 538418041
BaseRepresentation
bin10110111001100…
…01000001011101
3111101110012020001
423130301001131
5343133341310
631021054301
74521511516
oct1334610135
9441405201
10192090205
119948023a
12543b7391
1330a47c58
141b723a0d
1511ce593a
hexb73105d

192090205 has 4 divisors (see below), whose sum is σ = 230508252. Its totient is φ = 153672160.

The previous prime is 192090163. The next prime is 192090211. The reversal of 192090205 is 502090291.

192090205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 58155876 + 133934329 = 7626^2 + 11573^2 .

It is not a de Polignac number, because 192090205 - 221 = 189993053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19209016 + ... + 19209025.

It is an arithmetic number, because the mean of its divisors is an integer number (57627063).

Almost surely, 2192090205 is an apocalyptic number.

It is an amenable number.

192090205 is a deficient number, since it is larger than the sum of its proper divisors (38418047).

192090205 is an equidigital number, since it uses as much as digits as its factorization.

192090205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38418046.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 192090205 is about 13859.6610708920. The cubic root of 192090205 is about 576.9901598963.

The spelling of 192090205 in words is "one hundred ninety-two million, ninety thousand, two hundred five".

Divisors: 1 5 38418041 192090205