Base | Representation |
---|---|
bin | 1111010010010… |
… | …0011101001101 |
3 | 11110122020202121 |
4 | 3310210131031 |
5 | 112403044321 |
6 | 10210052541 |
7 | 1405642540 |
oct | 364443515 |
9 | 143566677 |
10 | 64112461 |
11 | 3320a706 |
12 | 1957a151 |
13 | 10389a8a |
14 | 872c857 |
15 | 5966441 |
hex | 3d2474d |
64112461 has 4 divisors (see below), whose sum is σ = 73271392. Its totient is φ = 54953532.
The previous prime is 64112401. The next prime is 64112497. The reversal of 64112461 is 16421146.
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 64112461 - 213 = 64104269 is a prime.
It is a super-2 number, since 2×641124612 = 8220815310953042, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64112401) 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, 4579455 + ... + 4579468.
It is an arithmetic number, because the mean of its divisors is an integer number (18317848).
Almost surely, 264112461 is an apocalyptic number.
It is an amenable number.
64112461 is a deficient number, since it is larger than the sum of its proper divisors (9158931).
64112461 is an equidigital number, since it uses as much as digits as its factorization.
64112461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9158930.
The product of its digits is 1152, while the sum is 25.
The square root of 64112461 is about 8007.0257274471. The cubic root of 64112461 is about 400.2341566499.
The spelling of 64112461 in words is "sixty-four million, one hundred twelve thousand, four hundred sixty-one".
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