Base | Representation |
---|---|
bin | 101100001010… |
… | …1000101111101 |
3 | 1121120101210011 |
4 | 1120111011331 |
5 | 21411430234 |
6 | 2144143221 |
7 | 400546330 |
oct | 130250575 |
9 | 47511704 |
10 | 23155069 |
11 | 12085823 |
12 | 7907b11 |
13 | 4a49532 |
14 | 310a617 |
15 | 2075b64 |
hex | 161517d |
23155069 has 8 divisors (see below), whose sum is σ = 26520768. Its totient is φ = 19803840.
The previous prime is 23155063. The next prime is 23155123. The reversal of 23155069 is 96055132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23155069 - 23 = 23155061 is a prime.
It is a super-2 number, since 2×231550692 = 1072314440789522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23155069.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23155061) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 69 + ... + 6805.
It is an arithmetic number, because the mean of its divisors is an integer number (3315096).
Almost surely, 223155069 is an apocalyptic number.
It is an amenable number.
23155069 is a deficient number, since it is larger than the sum of its proper divisors (3365699).
23155069 is an equidigital number, since it uses as much as digits as its factorization.
23155069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7235.
The product of its (nonzero) digits is 8100, while the sum is 31.
The square root of 23155069 is about 4811.9714255178. The cubic root of 23155069 is about 285.0243910591.
The spelling of 23155069 in words is "twenty-three million, one hundred fifty-five thousand, sixty-nine".
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