Base | Representation |
---|---|
bin | 101100110011… |
… | …1111110000010 |
3 | 1122012122102210 |
4 | 1121213332002 |
5 | 22003311110 |
6 | 2155322550 |
7 | 403462113 |
oct | 131477602 |
9 | 48178383 |
10 | 23494530 |
11 | 12297874 |
12 | 7a50456 |
13 | 4b37bb7 |
14 | 319820a |
15 | 20e1520 |
hex | 1667f82 |
23494530 has 16 divisors (see below), whose sum is σ = 56386944. Its totient is φ = 6265200.
The previous prime is 23494489. The next prime is 23494531. The reversal of 23494530 is 3549432.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 783151 = 23494530 / (2 + 3 + 4 + 9 + 4 + 5 + 3 + 0).
It is not an unprimeable number, because it can be changed into a prime (23494531) 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, 391546 + ... + 391605.
It is an arithmetic number, because the mean of its divisors is an integer number (3524184).
Almost surely, 223494530 is an apocalyptic number.
23494530 is an abundant number, since it is smaller than the sum of its proper divisors (32892414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23494530 is a wasteful number, since it uses less digits than its factorization.
23494530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783161.
The product of its (nonzero) digits is 12960, while the sum is 30.
The square root of 23494530 is about 4847.1156371599. The cubic root of 23494530 is about 286.4104901461.
The spelling of 23494530 in words is "twenty-three million, four hundred ninety-four thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •