Base | Representation |
---|---|
bin | 101100001111… |
… | …0110110001011 |
3 | 1121122102120210 |
4 | 1120132312023 |
5 | 21414220034 |
6 | 2145052203 |
7 | 401103651 |
oct | 130366613 |
9 | 47572523 |
10 | 23195019 |
11 | 12102841 |
12 | 7927063 |
13 | 4a61783 |
14 | 311add1 |
15 | 20828e9 |
hex | 161ed8b |
23195019 has 8 divisors (see below), whose sum is σ = 31074112. Its totient is φ = 15389640.
The previous prime is 23195009. The next prime is 23195027. The reversal of 23195019 is 91059132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23195019 - 217 = 23063947 is a prime.
It is a super-2 number, since 2×231950192 = 1076017812820722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23195009) 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, 17689 + ... + 18954.
It is an arithmetic number, because the mean of its divisors is an integer number (3884264).
Almost surely, 223195019 is an apocalyptic number.
23195019 is a deficient number, since it is larger than the sum of its proper divisors (7879093).
23195019 is a wasteful number, since it uses less digits than its factorization.
23195019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36857.
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 23195019 is about 4816.1207418419. The cubic root of 23195019 is about 285.1882167006.
The spelling of 23195019 in words is "twenty-three million, one hundred ninety-five thousand, nineteen".
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