Base | Representation |
---|---|
bin | 1000101000100… |
… | …01111010100111 |
3 | 12001021120121010 |
4 | 10110101322213 |
5 | 122020101002 |
6 | 11104153303 |
7 | 1536413655 |
oct | 424217247 |
9 | 161246533 |
10 | 72425127 |
11 | 37978085 |
12 | 20308833 |
13 | 1200a608 |
14 | 9893dd5 |
15 | 655946c |
hex | 4511ea7 |
72425127 has 4 divisors (see below), whose sum is σ = 96566840. Its totient is φ = 48283416.
The previous prime is 72425123. The next prime is 72425153. The reversal of 72425127 is 72152427.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 72425127 - 22 = 72425123 is a prime.
It is a super-2 number, since 2×724251272 = 10490798041932258, 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 = 72425094 and 72425103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72425123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12070852 + ... + 12070857.
It is an arithmetic number, because the mean of its divisors is an integer number (24141710).
Almost surely, 272425127 is an apocalyptic number.
72425127 is a deficient number, since it is larger than the sum of its proper divisors (24141713).
72425127 is a wasteful number, since it uses less digits than its factorization.
72425127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24141712.
The product of its digits is 7840, while the sum is 30.
The square root of 72425127 is about 8510.2953532765. The cubic root of 72425127 is about 416.8339544443.
The spelling of 72425127 in words is "seventy-two million, four hundred twenty-five thousand, one hundred twenty-seven".
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