Base | Representation |
---|---|
bin | 1101101100001… |
… | …1101101000011 |
3 | 11000001110220000 |
4 | 3123003231003 |
5 | 104200042312 |
6 | 5410451043 |
7 | 1265046654 |
oct | 333035503 |
9 | 130043800 |
10 | 57424707 |
11 | 2a46203a |
12 | 17293a83 |
13 | bb87a22 |
14 | 78ab52b |
15 | 5094adc |
hex | 36c3b43 |
57424707 has 20 divisors (see below), whose sum is σ = 90299880. Its totient is φ = 36267264.
The previous prime is 57424699. The next prime is 57424711. The reversal of 57424707 is 70742475.
It is a happy number.
It is not a de Polignac number, because 57424707 - 23 = 57424699 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57424747) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17118 + ... + 20195.
It is an arithmetic number, because the mean of its divisors is an integer number (4514994).
Almost surely, 257424707 is an apocalyptic number.
57424707 is a gapful number since it is divisible by the number (57) formed by its first and last digit.
57424707 is a deficient number, since it is larger than the sum of its proper divisors (32875173).
57424707 is a wasteful number, since it uses less digits than its factorization.
57424707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37344 (or 37335 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 36.
The square root of 57424707 is about 7577.9091443485. The cubic root of 57424707 is about 385.8035883173.
It can be divided in two parts, 574 and 24707, that added together give a square (25281 = 1592).
The spelling of 57424707 in words is "fifty-seven million, four hundred twenty-four thousand, seven hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •