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23081195 = 518112549
BaseRepresentation
bin101100000001…
…1000011101011
31121102122110002
41120003003223
521402044240
62142413215
7400121054
oct130030353
947378402
1023081195
1112035275
12789120b
134a21a17
1430cb72b
15205dd15
hex16030eb

23081195 has 8 divisors (see below), whose sum is σ = 27723600. Its totient is φ = 18447520.

The previous prime is 23081173. The next prime is 23081203. The reversal of 23081195 is 59118032.

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

It is not a de Polignac number, because 23081195 - 26 = 23081131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7781 + ... + 10329.

It is an arithmetic number, because the mean of its divisors is an integer number (3465450).

Almost surely, 223081195 is an apocalyptic number.

23081195 is a deficient number, since it is larger than the sum of its proper divisors (4642405).

23081195 is a wasteful number, since it uses less digits than its factorization.

23081195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 23081195 is about 4804.2892294282. The cubic root of 23081195 is about 284.7209539168.

The spelling of 23081195 in words is "twenty-three million, eighty-one thousand, one hundred ninety-five".

Divisors: 1 5 1811 2549 9055 12745 4616239 23081195