Base | Representation |
---|---|
bin | 1101101100111… |
… | …0111010111001 |
3 | 11000010210220120 |
4 | 3123032322321 |
5 | 104203030044 |
6 | 5411443453 |
7 | 1265330625 |
oct | 333167271 |
9 | 130123816 |
10 | 57470649 |
11 | 2a493605 |
12 | 172b6589 |
13 | bba2902 |
14 | 78c0185 |
15 | 50a3519 |
hex | 36ceeb9 |
57470649 has 8 divisors (see below), whose sum is σ = 80660640. Its totient is φ = 36297216.
The previous prime is 57470639. The next prime is 57470671. The reversal of 57470649 is 94607475.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57470649 - 28 = 57470393 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57470649.
It is not an unprimeable number, because it can be changed into a prime (57470639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504072 + ... + 504185.
It is an arithmetic number, because the mean of its divisors is an integer number (10082580).
Almost surely, 257470649 is an apocalyptic number.
It is an amenable number.
57470649 is a deficient number, since it is larger than the sum of its proper divisors (23189991).
57470649 is a wasteful number, since it uses less digits than its factorization.
57470649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1008279.
The product of its (nonzero) digits is 211680, while the sum is 42.
The square root of 57470649 is about 7580.9398493854. The cubic root of 57470649 is about 385.9064468527.
The spelling of 57470649 in words is "fifty-seven million, four hundred seventy thousand, six hundred forty-nine".
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