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192094139 = 1371402147
BaseRepresentation
bin10110111001100…
…01111110111011
3111101110101121202
423130301332323
5343134003024
631021124415
74521526136
oct1334617673
9441411552
10192094139
1199483196
12543b970b
1330a49993
141b72521d
1511ce6bae
hexb731fbb

192094139 has 4 divisors (see below), whose sum is σ = 193496424. Its totient is φ = 190691856.

The previous prime is 192094117. The next prime is 192094141. The reversal of 192094139 is 931490291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931490291 = 1396701369.

It is a cyclic number.

It is not a de Polignac number, because 192094139 - 224 = 175316923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192096139) 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 3 ways as a sum of consecutive naturals, for example, 700937 + ... + 701210.

It is an arithmetic number, because the mean of its divisors is an integer number (48374106).

Almost surely, 2192094139 is an apocalyptic number.

192094139 is a deficient number, since it is larger than the sum of its proper divisors (1402285).

192094139 is a wasteful number, since it uses less digits than its factorization.

192094139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402284.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 192094139 is about 13859.8029928279. The cubic root of 192094139 is about 576.9940987815.

The spelling of 192094139 in words is "one hundred ninety-two million, ninety-four thousand, one hundred thirty-nine".

Divisors: 1 137 1402147 192094139