Base | Representation |
---|---|
bin | 1000100110011… |
… | …11100011101111 |
3 | 12000202202202110 |
4 | 10103033203233 |
5 | 121432401302 |
6 | 11054255103 |
7 | 1534202361 |
oct | 423174357 |
9 | 160682673 |
10 | 72153327 |
11 | 37801954 |
12 | 201b7493 |
13 | 11c4399c |
14 | 9822d31 |
15 | 6503b6c |
hex | 44cf8ef |
72153327 has 4 divisors (see below), whose sum is σ = 96204440. Its totient is φ = 48102216.
The previous prime is 72153281. The next prime is 72153329. The reversal of 72153327 is 72335127.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72335127 = 3 ⋅24111709.
It is not a de Polignac number, because 72153327 - 27 = 72153199 is a prime.
It is a super-2 number, since 2×721533272 = 10412205194337858, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 72153294 and 72153303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72153329) 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, 12025552 + ... + 12025557.
It is an arithmetic number, because the mean of its divisors is an integer number (24051110).
Almost surely, 272153327 is an apocalyptic number.
72153327 is a deficient number, since it is larger than the sum of its proper divisors (24051113).
72153327 is a wasteful number, since it uses less digits than its factorization.
72153327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24051112.
The product of its digits is 8820, while the sum is 30.
The square root of 72153327 is about 8494.3114494349. The cubic root of 72153327 is about 416.3118635790.
The spelling of 72153327 in words is "seventy-two million, one hundred fifty-three thousand, three hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •