Base | Representation |
---|---|
bin | 1000101000100… |
… | …01111011000001 |
3 | 12001021120122002 |
4 | 10110101323001 |
5 | 122020101103 |
6 | 11104153345 |
7 | 1536414023 |
oct | 424217301 |
9 | 161246562 |
10 | 72425153 |
11 | 379780a9 |
12 | 20308855 |
13 | 1200a628 |
14 | 9894013 |
15 | 6559488 |
hex | 4511ec1 |
72425153 has 2 divisors, whose sum is σ = 72425154. Its totient is φ = 72425152.
The previous prime is 72425123. The next prime is 72425237. The reversal of 72425153 is 35152427.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 63473089 + 8952064 = 7967^2 + 2992^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72425153 is a prime.
It is not a weakly prime, because it can be changed into another prime (72425123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36212576 + 36212577.
It is an arithmetic number, because the mean of its divisors is an integer number (36212577).
Almost surely, 272425153 is an apocalyptic number.
It is an amenable number.
72425153 is a deficient number, since it is larger than the sum of its proper divisors (1).
72425153 is an equidigital number, since it uses as much as digits as its factorization.
72425153 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8400, while the sum is 29.
The square root of 72425153 is about 8510.2968808379. The cubic root of 72425153 is about 416.8340043242.
The spelling of 72425153 in words is "seventy-two million, four hundred twenty-five thousand, one hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •