Base | Representation |
---|---|
bin | 1101101101011… |
… | …0110100011001 |
3 | 11000012110021210 |
4 | 3123112310121 |
5 | 104210044001 |
6 | 5412253333 |
7 | 1265524143 |
oct | 333266431 |
9 | 130173253 |
10 | 57503001 |
11 | 2a505946 |
12 | 17311249 |
13 | bbb455a |
14 | 78cbc93 |
15 | 50acdd6 |
hex | 36d6d19 |
57503001 has 4 divisors (see below), whose sum is σ = 76670672. Its totient is φ = 38335332.
The previous prime is 57502961. The next prime is 57503011. The reversal of 57503001 is 10030575.
It is a happy number.
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 not a de Polignac number, because 57503001 - 213 = 57494809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57503011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9583831 + ... + 9583836.
It is an arithmetic number, because the mean of its divisors is an integer number (19167668).
Almost surely, 257503001 is an apocalyptic number.
It is an amenable number.
57503001 is a deficient number, since it is larger than the sum of its proper divisors (19167671).
57503001 is a wasteful number, since it uses less digits than its factorization.
57503001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19167670.
The product of its (nonzero) digits is 525, while the sum is 21.
The square root of 57503001 is about 7583.0733215498. The cubic root of 57503001 is about 385.9788461476.
Adding to 57503001 its reverse (10030575), we get a palindrome (67533576).
The spelling of 57503001 in words is "fifty-seven million, five hundred three thousand, one".
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