Base | Representation |
---|---|
bin | 101100001111… |
… | …1010010001101 |
3 | 1121122112001020 |
4 | 1120133102031 |
5 | 21414244223 |
6 | 2145104353 |
7 | 401112123 |
oct | 130372215 |
9 | 47575036 |
10 | 23196813 |
11 | 12104122 |
12 | 79280b9 |
13 | 4a62533 |
14 | 311b913 |
15 | 20831e3 |
hex | 161f48d |
23196813 has 8 divisors (see below), whose sum is σ = 30955488. Its totient is φ = 15451344.
The previous prime is 23196799. The next prime is 23196821. The reversal of 23196813 is 31869132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23196813 - 213 = 23188621 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23196883) 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, 2031 + ... + 7107.
It is an arithmetic number, because the mean of its divisors is an integer number (3869436).
Almost surely, 223196813 is an apocalyptic number.
It is an amenable number.
23196813 is a deficient number, since it is larger than the sum of its proper divisors (7758675).
23196813 is a wasteful number, since it uses less digits than its factorization.
23196813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6603.
The product of its digits is 7776, while the sum is 33.
The square root of 23196813 is about 4816.3069877241. The cubic root of 23196813 is about 285.1955690617.
The spelling of 23196813 in words is "twenty-three million, one hundred ninety-six thousand, eight hundred thirteen".
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