Base | Representation |
---|---|
bin | 1000101000101… |
… | …00011001001011 |
3 | 12001022002111222 |
4 | 10110110121023 |
5 | 122020412100 |
6 | 11104312255 |
7 | 1536455363 |
oct | 424243113 |
9 | 161262458 |
10 | 72435275 |
11 | 37984770 |
12 | 2031268b |
13 | 12012113 |
14 | 98979a3 |
15 | 655c485 |
hex | 451464b |
72435275 has 12 divisors (see below), whose sum is σ = 97985544. Its totient is φ = 52680000.
The previous prime is 72435229. The next prime is 72435287. The reversal of 72435275 is 57253427.
It is not a de Polignac number, because 72435275 - 212 = 72431179 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 131426 + ... + 131975.
It is an arithmetic number, because the mean of its divisors is an integer number (8165462).
Almost surely, 272435275 is an apocalyptic number.
72435275 is a deficient number, since it is larger than the sum of its proper divisors (25550269).
72435275 is a wasteful number, since it uses less digits than its factorization.
72435275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263422 (or 263417 counting only the distinct ones).
The product of its digits is 58800, while the sum is 35.
The square root of 72435275 is about 8510.8915514181. The cubic root of 72435275 is about 416.8534220591.
It can be divided in two parts, 724352 and 75, that added together give a palindrome (724427).
The spelling of 72435275 in words is "seventy-two million, four hundred thirty-five thousand, two hundred seventy-five".
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