Base | Representation |
---|---|
bin | 101100101001… |
… | …0101101111000 |
3 | 1122001020000201 |
4 | 1121102231320 |
5 | 21443014410 |
6 | 2153411544 |
7 | 402650245 |
oct | 131225570 |
9 | 48036021 |
10 | 23407480 |
11 | 12238428 |
12 | 7a09bb4 |
13 | 4b073a5 |
14 | 31745cc |
15 | 20c583a |
hex | 1652b78 |
23407480 has 64 divisors (see below), whose sum is σ = 55756800. Its totient is φ = 8830080.
The previous prime is 23407451. The next prime is 23407481. The reversal of 23407480 is 8470432.
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 pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53101 + ... + 53539.
It is an arithmetic number, because the mean of its divisors is an integer number (871200).
Almost surely, 223407480 is an apocalyptic number.
23407480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23407480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27878400).
23407480 is an abundant number, since it is smaller than the sum of its proper divisors (32349320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23407480 is a wasteful number, since it uses less digits than its factorization.
23407480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 524 (or 520 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 23407480 is about 4838.1277370487. The cubic root of 23407480 is about 286.0563241800.
The spelling of 23407480 in words is "twenty-three million, four hundred seven thousand, four hundred eighty".
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