Base | Representation |
---|---|
bin | 101100001111… |
… | …1100010001101 |
3 | 1121122120110011 |
4 | 1120133202031 |
5 | 21414312322 |
6 | 2145113221 |
7 | 401115115 |
oct | 130374215 |
9 | 47576404 |
10 | 23197837 |
11 | 12104973 |
12 | 7928811 |
13 | 4a62b40 |
14 | 311c045 |
15 | 2083677 |
hex | 161f88d |
23197837 has 8 divisors (see below), whose sum is σ = 25514496. Its totient is φ = 20957232.
The previous prime is 23197829. The next prime is 23197847. The reversal of 23197837 is 73879132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23197837 - 23 = 23197829 is a prime.
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 23197837.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23197807) 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, 18373 + ... + 19594.
It is an arithmetic number, because the mean of its divisors is an integer number (3189312).
Almost surely, 223197837 is an apocalyptic number.
It is an amenable number.
23197837 is a deficient number, since it is larger than the sum of its proper divisors (2316659).
23197837 is a wasteful number, since it uses less digits than its factorization.
23197837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38027.
The product of its digits is 63504, while the sum is 40.
The square root of 23197837 is about 4816.4132920670. The cubic root of 23197837 is about 285.1997655572.
The spelling of 23197837 in words is "twenty-three million, one hundred ninety-seven thousand, eight hundred thirty-seven".
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