Base | Representation |
---|---|
bin | 1000101010101… |
… | …01010100110011 |
3 | 12001210121100100 |
4 | 10111111110303 |
5 | 122102414420 |
6 | 11114123443 |
7 | 1541643645 |
oct | 425252463 |
9 | 161717310 |
10 | 72701235 |
11 | 38046572 |
12 | 20420583 |
13 | 120a61a9 |
14 | 9926895 |
15 | 65b1190 |
hex | 4555533 |
72701235 has 24 divisors (see below), whose sum is σ = 126213984. Its totient is φ = 38712960.
The previous prime is 72701221. The next prime is 72701243. The reversal of 72701235 is 53210727.
It is not a de Polignac number, because 72701235 - 24 = 72701219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72701199 and 72701208.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 54375 + ... + 55695.
It is an arithmetic number, because the mean of its divisors is an integer number (5258916).
Almost surely, 272701235 is an apocalyptic number.
72701235 is a deficient number, since it is larger than the sum of its proper divisors (53512749).
72701235 is a wasteful number, since it uses less digits than its factorization.
72701235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2555 (or 2552 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 72701235 is about 8526.5019204830. The cubic root of 72701235 is about 417.3629846685.
The spelling of 72701235 in words is "seventy-two million, seven hundred one thousand, two hundred thirty-five".
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