Base | Representation |
---|---|
bin | 1000111100001… |
… | …10100011010111 |
3 | 12020010101200122 |
4 | 10132012203113 |
5 | 123200000043 |
6 | 11235302155 |
7 | 1600326650 |
oct | 436064327 |
9 | 166111618 |
10 | 75000023 |
11 | 3937669a |
12 | 2114a95b |
13 | 126cc617 |
14 | 9d64527 |
15 | 68b7368 |
hex | 47868d7 |
75000023 has 4 divisors (see below), whose sum is σ = 85714320. Its totient is φ = 64285728.
The previous prime is 75000017. The next prime is 75000031. The reversal of 75000023 is 32000057.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 75000023 - 24 = 75000007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 74999965 and 75000010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75000083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5357138 + ... + 5357151.
It is an arithmetic number, because the mean of its divisors is an integer number (21428580).
Almost surely, 275000023 is an apocalyptic number.
75000023 is a deficient number, since it is larger than the sum of its proper divisors (10714297).
75000023 is a wasteful number, since it uses less digits than its factorization.
75000023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10714296.
The product of its (nonzero) digits is 210, while the sum is 17.
The square root of 75000023 is about 8660.2553657499. The cubic root of 75000023 is about 421.7163757597.
The spelling of 75000023 in words is "seventy-five million, twenty-three", and thus it is an aban number and an uban number.
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