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190928195 = 538185639
BaseRepresentation
bin10110110000101…
…01010101000011
3111022021011020122
423120111111003
5342334200240
630540130455
74505601653
oct1330252503
9438234218
10190928195
11988571a7
1253b36a2b
133072c083
141b500363
1511b664b5
hexb615543

190928195 has 4 divisors (see below), whose sum is σ = 229113840. Its totient is φ = 152742552.

The previous prime is 190928183. The next prime is 190928219. The reversal of 190928195 is 591829091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 190928195 - 212 = 190924099 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 19092815 + ... + 19092824.

It is an arithmetic number, because the mean of its divisors is an integer number (57278460).

Almost surely, 2190928195 is an apocalyptic number.

190928195 is a deficient number, since it is larger than the sum of its proper divisors (38185645).

190928195 is an equidigital number, since it uses as much as digits as its factorization.

190928195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38185644.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 190928195 is about 13817.6769031556. The cubic root of 190928195 is about 575.8243450285.

The spelling of 190928195 in words is "one hundred ninety million, nine hundred twenty-eight thousand, one hundred ninety-five".

Divisors: 1 5 38185639 190928195