Base | Representation |
---|---|
bin | 101100101011… |
… | …1110100011111 |
3 | 1122002021200220 |
4 | 1121113310133 |
5 | 21444202013 |
6 | 2154052423 |
7 | 403065216 |
oct | 131276437 |
9 | 48067626 |
10 | 23428383 |
11 | 12252100 |
12 | 7a1a113 |
13 | 4b13a64 |
14 | 317c07d |
15 | 20cbb23 |
hex | 1657d1f |
23428383 has 24 divisors (see below), whose sum is σ = 34607664. Its totient is φ = 14087040.
The previous prime is 23428381. The next prime is 23428409. The reversal of 23428383 is 38382432.
It is not a de Polignac number, because 23428383 - 21 = 23428381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23428381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84441 + ... + 84717.
It is an arithmetic number, because the mean of its divisors is an integer number (1441986).
Almost surely, 223428383 is an apocalyptic number.
23428383 is a deficient number, since it is larger than the sum of its proper divisors (11179281).
23428383 is a wasteful number, since it uses less digits than its factorization.
23428383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535 (or 524 counting only the distinct ones).
The product of its digits is 27648, while the sum is 33.
The square root of 23428383 is about 4840.2874914616. The cubic root of 23428383 is about 286.1414487690.
The spelling of 23428383 in words is "twenty-three million, four hundred twenty-eight thousand, three hundred eighty-three".
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