Base | Representation |
---|---|
bin | 1101101001100… |
… | …0010100011001 |
3 | 10222201110010022 |
4 | 3122120110121 |
5 | 104123401001 |
6 | 5403000225 |
7 | 1263406610 |
oct | 332302431 |
9 | 128643108 |
10 | 57247001 |
11 | 2a350579 |
12 | 17209075 |
13 | bb24b86 |
14 | 7862877 |
15 | 505c11b |
hex | 3698519 |
57247001 has 4 divisors (see below), whose sum is σ = 65425152. Its totient is φ = 49068852.
The previous prime is 57246989. The next prime is 57247031. The reversal of 57247001 is 10074275.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 57247001 - 210 = 57245977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57247031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089065 + ... + 4089078.
It is an arithmetic number, because the mean of its divisors is an integer number (16356288).
Almost surely, 257247001 is an apocalyptic number.
It is an amenable number.
57247001 is a deficient number, since it is larger than the sum of its proper divisors (8178151).
57247001 is an equidigital number, since it uses as much as digits as its factorization.
57247001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8178150.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 57247001 is about 7566.1747931171. The cubic root of 57247001 is about 385.4052089482.
The spelling of 57247001 in words is "fifty-seven million, two hundred forty-seven thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.173 sec. • engine limits •