Base | Representation |
---|---|
bin | 11110101011001… |
… | …00110110100100 |
3 | 122221011220202000 |
4 | 33111210312210 |
5 | 1011333023322 |
6 | 41311045300 |
7 | 6243064131 |
oct | 1725446644 |
9 | 587156660 |
10 | 257314212 |
11 | 122279a81 |
12 | 72210830 |
13 | 4140393c |
14 | 26261588 |
15 | 178cb3ac |
hex | f564da4 |
257314212 has 24 divisors (see below), whose sum is σ = 667111200. Its totient is φ = 85771368.
The previous prime is 257314201. The next prime is 257314231. The reversal of 257314212 is 212413752.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 1191162 + ... + 1191377.
It is an arithmetic number, because the mean of its divisors is an integer number (27796300).
Almost surely, 2257314212 is an apocalyptic number.
It is an amenable number.
257314212 is an abundant number, since it is smaller than the sum of its proper divisors (409796988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
257314212 is a wasteful number, since it uses less digits than its factorization.
257314212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2382552 (or 2382544 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 257314212 is about 16041.0165513287. The cubic root of 257314212 is about 636.0451196185.
Adding to 257314212 its reverse (212413752), we get a palindrome (469727964).
The spelling of 257314212 in words is "two hundred fifty-seven million, three hundred fourteen thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •