Base | Representation |
---|---|
bin | 1100011010111… |
… | …1111110001001 |
3 | 10122001000010201 |
4 | 3012233332021 |
5 | 101314213001 |
6 | 5100412201 |
7 | 1201564651 |
oct | 306577611 |
9 | 118030121 |
10 | 52101001 |
11 | 27456287 |
12 | 15547061 |
13 | aa427c4 |
14 | 6cc3361 |
15 | 4892501 |
hex | 31aff89 |
52101001 has 4 divisors (see below), whose sum is σ = 52159104. Its totient is φ = 52042900.
The previous prime is 52100999. The next prime is 52101017. The reversal of 52101001 is 10010125.
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 a cyclic number.
It is not a de Polignac number, because 52101001 - 21 = 52100999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52104001) 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, 27685 + ... + 29506.
It is an arithmetic number, because the mean of its divisors is an integer number (13039776).
Almost surely, 252101001 is an apocalyptic number.
It is an amenable number.
52101001 is a deficient number, since it is larger than the sum of its proper divisors (58103).
52101001 is an equidigital number, since it uses as much as digits as its factorization.
52101001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58102.
The product of its (nonzero) digits is 10, while the sum is 10.
The square root of 52101001 is about 7218.1023129352. The cubic root of 52101001 is about 373.4926179540.
Adding to 52101001 its reverse (10010125), we get a palindrome (62111126).
The spelling of 52101001 in words is "fifty-two million, one hundred one thousand, one".
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