Base | Representation |
---|---|
bin | 101101010101… |
… | …1000100100101 |
3 | 1122201121110110 |
4 | 1122223010211 |
5 | 22041110011 |
6 | 2205243233 |
7 | 406015326 |
oct | 132530445 |
9 | 48647413 |
10 | 23769381 |
11 | 12465319 |
12 | 7b63519 |
13 | 4c0302c |
14 | 322a44d |
15 | 2147ba6 |
hex | 16ab125 |
23769381 has 8 divisors (see below), whose sum is σ = 32465664. Its totient is φ = 15459680.
The previous prime is 23769371. The next prime is 23769401. The reversal of 23769381 is 18396732.
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 23769381 - 29 = 23768869 is a prime.
It is a super-2 number, since 2×237693812 = 1129966946246322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23769341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96501 + ... + 96746.
It is an arithmetic number, because the mean of its divisors is an integer number (4058208).
Almost surely, 223769381 is an apocalyptic number.
It is an amenable number.
23769381 is a deficient number, since it is larger than the sum of its proper divisors (8696283).
23769381 is a wasteful number, since it uses less digits than its factorization.
23769381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193291.
The product of its digits is 54432, while the sum is 39.
The square root of 23769381 is about 4875.3852155496. The cubic root of 23769381 is about 287.5230217230.
The spelling of 23769381 in words is "twenty-three million, seven hundred sixty-nine thousand, three hundred eighty-one".
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