Base | Representation |
---|---|
bin | 101100101001… |
… | …0101110000000 |
3 | 1122001020001000 |
4 | 1121102232000 |
5 | 21443014423 |
6 | 2153412000 |
7 | 402650256 |
oct | 131225600 |
9 | 48036030 |
10 | 23407488 |
11 | 12238435 |
12 | 7a0a000 |
13 | 4b073b0 |
14 | 31745d6 |
15 | 20c5843 |
hex | 1652b80 |
23407488 has 128 divisors (see below), whose sum is σ = 74541600. Its totient is φ = 7188480.
The previous prime is 23407481. The next prime is 23407513. The reversal of 23407488 is 88470432.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23407481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44668 + ... + 45188.
Almost surely, 223407488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23407488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37270800).
23407488 is an abundant number, since it is smaller than the sum of its proper divisors (51134112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23407488 is a wasteful number, since it uses less digits than its factorization.
23407488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 557 (or 539 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The square root of 23407488 is about 4838.1285638147. The cubic root of 23407488 is about 286.0563567686.
The spelling of 23407488 in words is "twenty-three million, four hundred seven thousand, four hundred eighty-eight".
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