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191968076 = 22103146549
BaseRepresentation
bin10110111000100…
…11001101001100
3111101012222200202
423130103031030
5343120434301
631014313032
74520462456
oct1334231514
9441188622
10191968076
11993a7503
1254358778
1330a044a1
141b6d12d6
1511cbe66b
hexb71334c

191968076 has 12 divisors (see below), whose sum is σ = 336277200. Its totient is φ = 95888880.

The previous prime is 191968061. The next prime is 191968079. The reversal of 191968076 is 670869191.

191968076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 191968076.

It is not an unprimeable number, because it can be changed into a prime (191968079) 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, 19151 + ... + 27398.

It is an arithmetic number, because the mean of its divisors is an integer number (28023100).

Almost surely, 2191968076 is an apocalyptic number.

It is an amenable number.

191968076 is a deficient number, since it is larger than the sum of its proper divisors (144309124).

191968076 is a wasteful number, since it uses less digits than its factorization.

191968076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47584 (or 47582 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 191968076 is about 13855.2544545382. The cubic root of 191968076 is about 576.8678524790.

It can be divided in two parts, 19196 and 8076, that added together give a palindrome (27272).

The spelling of 191968076 in words is "one hundred ninety-one million, nine hundred sixty-eight thousand, seventy-six".

Divisors: 1 2 4 1031 2062 4124 46549 93098 186196 47992019 95984038 191968076