Base | Representation |
---|---|
bin | 1101110100101… |
… | …1011001011001 |
3 | 11001002201022010 |
4 | 3131023121121 |
5 | 104320334010 |
6 | 5430420133 |
7 | 1302553242 |
oct | 335133131 |
9 | 131081263 |
10 | 57980505 |
11 | 2a801680 |
12 | 17501649 |
13 | c0209bb |
14 | 79b3cc9 |
15 | 5154620 |
hex | 374b659 |
57980505 has 16 divisors (see below), whose sum is σ = 101202624. Its totient is φ = 28111680.
The previous prime is 57980497. The next prime is 57980537. The reversal of 57980505 is 50508975.
It is not a de Polignac number, because 57980505 - 23 = 57980497 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175534 + ... + 175863.
It is an arithmetic number, because the mean of its divisors is an integer number (6325164).
Almost surely, 257980505 is an apocalyptic number.
57980505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57980505 is a deficient number, since it is larger than the sum of its proper divisors (43222119).
57980505 is a wasteful number, since it uses less digits than its factorization.
57980505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351416.
The product of its (nonzero) digits is 63000, while the sum is 39.
The square root of 57980505 is about 7614.4930888405. The cubic root of 57980505 is about 387.0442898119.
It can be divided in two parts, 57980 and 505, that added together give a palindrome (58485).
The spelling of 57980505 in words is "fifty-seven million, nine hundred eighty thousand, five hundred five".
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