Base | Representation |
---|---|
bin | 1100101111000… |
… | …0010001100001 |
3 | 10201111122210211 |
4 | 3023300101201 |
5 | 102133203321 |
6 | 5144454121 |
7 | 1216000630 |
oct | 313602141 |
9 | 121448724 |
10 | 53412961 |
11 | 28171a48 |
12 | 15a7a341 |
13 | b0b1a04 |
14 | 7145517 |
15 | 4a510e1 |
hex | 32f0461 |
53412961 has 4 divisors (see below), whose sum is σ = 61043392. Its totient is φ = 45782532.
The previous prime is 53412949. The next prime is 53412979. The reversal of 53412961 is 16921435.
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, and also an emirpimes, since its reverse is a distinct semiprime: 16921435 = 5 ⋅3384287.
It is a cyclic number.
It is not a de Polignac number, because 53412961 - 29 = 53412449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53412911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815205 + ... + 3815218.
It is an arithmetic number, because the mean of its divisors is an integer number (15260848).
Almost surely, 253412961 is an apocalyptic number.
It is an amenable number.
53412961 is a deficient number, since it is larger than the sum of its proper divisors (7630431).
53412961 is an equidigital number, since it uses as much as digits as its factorization.
53412961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7630430.
The product of its digits is 6480, while the sum is 31.
The square root of 53412961 is about 7308.4171336891. The cubic root of 53412961 is about 376.6016496580.
The spelling of 53412961 in words is "fifty-three million, four hundred twelve thousand, nine hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •