Base | Representation |
---|---|
bin | 1000101001001… |
… | …11100111100111 |
3 | 12001110002112120 |
4 | 10110213213213 |
5 | 122030422043 |
6 | 11110121023 |
7 | 1540234101 |
oct | 424474747 |
9 | 161402476 |
10 | 72514023 |
11 | 37a2894a |
12 | 20350173 |
13 | 1203bc0a |
14 | 98b8571 |
15 | 6575983 |
hex | 45279e7 |
72514023 has 4 divisors (see below), whose sum is σ = 96685368. Its totient is φ = 48342680.
The previous prime is 72514019. The next prime is 72514031. The reversal of 72514023 is 32041527.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72514023 - 22 = 72514019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72513984 and 72514002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72514003) 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, 12085668 + ... + 12085673.
It is an arithmetic number, because the mean of its divisors is an integer number (24171342).
Almost surely, 272514023 is an apocalyptic number.
72514023 is a deficient number, since it is larger than the sum of its proper divisors (24171345).
72514023 is a wasteful number, since it uses less digits than its factorization.
72514023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24171344.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 72514023 is about 8515.5166020624. The cubic root of 72514023 is about 417.0044280652.
The spelling of 72514023 in words is "seventy-two million, five hundred fourteen thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •