Base | Representation |
---|---|
bin | 101101100100… |
… | …1010111101000 |
3 | 1122221220200201 |
4 | 1123021113220 |
5 | 22104042410 |
6 | 2212041544 |
7 | 410043202 |
oct | 133112750 |
9 | 48856621 |
10 | 23893480 |
11 | 1253a586 |
12 | 80032b4 |
13 | 4c47670 |
14 | 325d772 |
15 | 216e83a |
hex | 16c95e8 |
23893480 has 32 divisors (see below), whose sum is σ = 57897000. Its totient is φ = 8822016.
The previous prime is 23893439. The next prime is 23893487. The reversal of 23893480 is 8439832.
It can be written as a sum of positive squares in 4 ways, for example, as 19027044 + 4866436 = 4362^2 + 2206^2 .
It is not an unprimeable number, because it can be changed into a prime (23893487) 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, 22455 + ... + 23494.
Almost surely, 223893480 is an apocalyptic number.
23893480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23893480 is an abundant number, since it is smaller than the sum of its proper divisors (34003520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23893480 is a wasteful number, since it uses less digits than its factorization.
23893480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45973 (or 45969 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 23893480 is about 4888.0957437432. The cubic root of 23893480 is about 288.0225355308.
The spelling of 23893480 in words is "twenty-three million, eight hundred ninety-three thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •