Base | Representation |
---|---|
bin | 101011111000… |
… | …0101100011001 |
3 | 1121021211021020 |
4 | 1113300230121 |
5 | 21342142402 |
6 | 2141033053 |
7 | 366355551 |
oct | 127605431 |
9 | 47254236 |
10 | 23005977 |
11 | 11a93805 |
12 | 7855789 |
13 | 49c6707 |
14 | 30ac161 |
15 | 20468bc |
hex | 15f0b19 |
23005977 has 8 divisors (see below), whose sum is σ = 30972864. Its totient is φ = 15188208.
The previous prime is 23005973. The next prime is 23005993. The reversal of 23005977 is 77950032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23005977 - 22 = 23005973 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23005973) 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, 36918 + ... + 37535.
It is an arithmetic number, because the mean of its divisors is an integer number (3871608).
Almost surely, 223005977 is an apocalyptic number.
It is an amenable number.
23005977 is a deficient number, since it is larger than the sum of its proper divisors (7966887).
23005977 is a wasteful number, since it uses less digits than its factorization.
23005977 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74559.
The product of its (nonzero) digits is 13230, while the sum is 33.
The square root of 23005977 is about 4796.4546281603. The cubic root of 23005977 is about 284.4113303341.
The spelling of 23005977 in words is "twenty-three million, five thousand, nine hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •