Base | Representation |
---|---|
bin | 111101010100… |
… | …0110110011010 |
3 | 2020111022222122 |
4 | 1322220312122 |
5 | 31212231030 |
6 | 3105021242 |
7 | 540155354 |
oct | 172506632 |
9 | 66438878 |
10 | 32148890 |
11 | 17168a34 |
12 | a924822 |
13 | 6878117 |
14 | 43ac0d4 |
15 | 2c508e5 |
hex | 1ea8d9a |
32148890 has 16 divisors (see below), whose sum is σ = 58239432. Its totient is φ = 12777024.
The previous prime is 32148889. The next prime is 32148911. The reversal of 32148890 is 9884123.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 26863489 + 5285401 = 5183^2 + 2299^2 .
It is a super-2 number, since 2×321488902 = 2067102256464200, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 32148890.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8669 + ... + 11808.
Almost surely, 232148890 is an apocalyptic number.
32148890 is a deficient number, since it is larger than the sum of its proper divisors (26090542).
32148890 is a wasteful number, since it uses less digits than its factorization.
32148890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20641.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 32148890 is about 5669.9991181657. Note that the first 3 decimals coincide. The cubic root of 32148890 is about 317.9718406562.
The spelling of 32148890 in words is "thirty-two million, one hundred forty-eight thousand, eight hundred ninety".
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