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190995 = 35717107
BaseRepresentation
bin101110101000010011
3100200222220
4232220103
522102440
64032123
71423560
oct565023
9320886
10190995
11120552
1292643
1368c1c
144d867
153b8d0
hex2ea13

190995 has 32 divisors (see below), whose sum is σ = 373248. Its totient is φ = 81408.

The previous prime is 190979. The next prime is 190997. The reversal of 190995 is 599091.

190995 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190995 - 24 = 190979 is a prime.

190995 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1732 + ... + 1838.

It is an arithmetic number, because the mean of its divisors is an integer number (11664).

2190995 is an apocalyptic number.

190995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190995 is the 357-th pentagonal number.

190995 is a deficient number, since it is larger than the sum of its proper divisors (182253).

190995 is a wasteful number, since it uses less digits than its factorization.

190995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 3645, while the sum is 33.

The square root of 190995 is about 437.0297472713. The cubic root of 190995 is about 57.5891496730.

The spelling of 190995 in words is "one hundred ninety thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 107 119 255 321 357 535 595 749 1605 1785 1819 2247 3745 5457 9095 11235 12733 27285 38199 63665 190995