Base | Representation |
---|---|
bin | 101100101010… |
… | …0100101100110 |
3 | 1122001121112111 |
4 | 1121110211212 |
5 | 21443241032 |
6 | 2153511234 |
7 | 403011502 |
oct | 131244546 |
9 | 48047474 |
10 | 23415142 |
11 | 12243163 |
12 | 7a1251a |
13 | 4b0aa1a |
14 | 3177302 |
15 | 20c7c47 |
hex | 1654966 |
23415142 has 8 divisors (see below), whose sum is σ = 35152416. Its totient is φ = 11697672.
The previous prime is 23415107. The next prime is 23415143. The reversal of 23415142 is 24151432.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23415143) 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, 1518 + ... + 7009.
It is an arithmetic number, because the mean of its divisors is an integer number (4394052).
Almost surely, 223415142 is an apocalyptic number.
23415142 is a deficient number, since it is larger than the sum of its proper divisors (11737274).
23415142 is a wasteful number, since it uses less digits than its factorization.
23415142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9902.
The product of its digits is 960, while the sum is 22.
The square root of 23415142 is about 4838.9195074934. The cubic root of 23415142 is about 286.0875325011.
Adding to 23415142 its reverse (24151432), we get a palindrome (47566574).
It can be divided in two parts, 234 and 15142, that added together give a square (15376 = 1242).
The spelling of 23415142 in words is "twenty-three million, four hundred fifteen thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •