Base | Representation |
---|---|
bin | 1101110000101… |
… | …1101001010100 |
3 | 11000121110002211 |
4 | 3130023221110 |
5 | 104234010010 |
6 | 5421043204 |
7 | 1300415035 |
oct | 334135124 |
9 | 130543084 |
10 | 57719380 |
11 | 2a643474 |
12 | 173b6504 |
13 | bc5bba4 |
14 | 7946a8c |
15 | 510208a |
hex | 370ba54 |
57719380 has 24 divisors (see below), whose sum is σ = 121354632. Its totient is φ = 23060352.
The previous prime is 57719357. The next prime is 57719393. The reversal of 57719380 is 8391775.
57719380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 19749136 + 37970244 = 4444^2 + 6162^2 .
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28894 + ... + 30826.
It is an arithmetic number, because the mean of its divisors is an integer number (5056443).
Almost surely, 257719380 is an apocalyptic number.
It is an amenable number.
57719380 is an abundant number, since it is smaller than the sum of its proper divisors (63635252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57719380 is a wasteful number, since it uses less digits than its factorization.
57719380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 40.
The square root of 57719380 is about 7597.3271615747. The cubic root of 57719380 is about 386.4623755693.
It can be divided in two parts, 5771 and 9380, that added together give a palindrome (15151).
The spelling of 57719380 in words is "fifty-seven million, seven hundred nineteen thousand, three hundred eighty".
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