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192081 = 3431489
BaseRepresentation
bin101110111001010001
3100202111010
4232321101
522121311
64041133
71430001
oct567121
9322433
10192081
1112134a
12931a9
1369576
1450001
153bda6
hex2ee51

192081 has 8 divisors (see below), whose sum is σ = 262240. Its totient is φ = 124992.

The previous prime is 192053. The next prime is 192091. The reversal of 192081 is 180291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 192081 - 27 = 191953 is a prime.

It is a super-2 number, since 2×1920812 = 73790221122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616 + ... + 873.

It is an arithmetic number, because the mean of its divisors is an integer number (32780).

2192081 is an apocalyptic number.

It is an amenable number.

192081 is a deficient number, since it is larger than the sum of its proper divisors (70159).

192081 is a wasteful number, since it uses less digits than its factorization.

192081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 192081 is about 438.2704644395. The cubic root of 192081 is about 57.6980943256.

The spelling of 192081 in words is "one hundred ninety-two thousand, eighty-one".

Divisors: 1 3 43 129 1489 4467 64027 192081