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188992082 = 294496041
BaseRepresentation
bin10110100001111…
…00101001010010
3111011121210101202
423100330221102
5341340221312
630430431202
74453256216
oct1320745122
9434553352
10188992082
1197754604
1253362502
1330201a46
141b158946
15118d29c2
hexb43ca52

188992082 has 4 divisors (see below), whose sum is σ = 283488126. Its totient is φ = 94496040.

The previous prime is 188992073. The next prime is 188992087. The reversal of 188992082 is 280299881.

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

It can be written as a sum of positive squares in only one way, i.e., 141395881 + 47596201 = 11891^2 + 6899^2 .

It is not an unprimeable number, because it can be changed into a prime (188992087) 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 as a sum of consecutive naturals, namely, 47248019 + ... + 47248022.

Almost surely, 2188992082 is an apocalyptic number.

188992082 is a deficient number, since it is larger than the sum of its proper divisors (94496044).

188992082 is an equidigital number, since it uses as much as digits as its factorization.

188992082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94496043.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 188992082 is about 13747.4391069755. The cubic root of 188992082 is about 573.8713406515.

The spelling of 188992082 in words is "one hundred eighty-eight million, nine hundred ninety-two thousand, eighty-two".

Divisors: 1 2 94496041 188992082