Base | Representation |
---|---|
bin | 1000101010111… |
… | …11000010101111 |
3 | 12001212121221120 |
4 | 10111133002233 |
5 | 122110203124 |
6 | 11115032023 |
7 | 1542201000 |
oct | 425370257 |
9 | 161777846 |
10 | 72741039 |
11 | 38073468 |
12 | 2043b613 |
13 | 120bb347 |
14 | 99371a7 |
15 | 65bcd79 |
hex | 455f0af |
72741039 has 32 divisors (see below), whose sum is σ = 113971200. Its totient is φ = 41249376.
The previous prime is 72741037. The next prime is 72741047. The reversal of 72741039 is 93014727.
It is not a de Polignac number, because 72741039 - 21 = 72741037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72741037) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229309 + ... + 229625.
It is an arithmetic number, because the mean of its divisors is an integer number (3561600).
Almost surely, 272741039 is an apocalyptic number.
72741039 is a deficient number, since it is larger than the sum of its proper divisors (41230161).
72741039 is a wasteful number, since it uses less digits than its factorization.
72741039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564 (or 550 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 72741039 is about 8528.8357353158. The cubic root of 72741039 is about 417.4391396579.
The spelling of 72741039 in words is "seventy-two million, seven hundred forty-one thousand, thirty-nine".
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