Base | Representation |
---|---|
bin | 1101101011001… |
… | …1000101100001 |
3 | 10222221000112001 |
4 | 3122303011201 |
5 | 104140403031 |
6 | 5405204001 |
7 | 1264344346 |
oct | 332630541 |
9 | 128830461 |
10 | 57356641 |
11 | 2a415991 |
12 | 17260601 |
13 | bb62a54 |
14 | 78907cd |
15 | 507e861 |
hex | 36b3161 |
57356641 has 4 divisors (see below), whose sum is σ = 59850432. Its totient is φ = 54862852.
The previous prime is 57356639. The next prime is 57356669. The reversal of 57356641 is 14665375.
57356641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 a cyclic number.
It is not a de Polignac number, because 57356641 - 21 = 57356639 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57356641.
It is not an unprimeable number, because it can be changed into a prime (57356141) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1246861 + ... + 1246906.
It is an arithmetic number, because the mean of its divisors is an integer number (14962608).
Almost surely, 257356641 is an apocalyptic number.
It is an amenable number.
57356641 is a deficient number, since it is larger than the sum of its proper divisors (2493791).
57356641 is a wasteful number, since it uses less digits than its factorization.
57356641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2493790.
The product of its digits is 75600, while the sum is 37.
The square root of 57356641 is about 7573.4167322286. The cubic root of 57356641 is about 385.6510959454.
The spelling of 57356641 in words is "fifty-seven million, three hundred fifty-six thousand, six hundred forty-one".
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