Base | Representation |
---|---|
bin | 1000100101011… |
… | …11111110010111 |
3 | 12000112012022001 |
4 | 10102233332113 |
5 | 121414231314 |
6 | 11051420131 |
7 | 1533123250 |
oct | 422577627 |
9 | 160465261 |
10 | 72023959 |
11 | 37723737 |
12 | 20154647 |
13 | 11bc9b37 |
14 | 97cbb27 |
15 | 64ca674 |
hex | 44aff97 |
72023959 has 8 divisors (see below), whose sum is σ = 82369440. Its totient is φ = 61692576.
The previous prime is 72023957. The next prime is 72023983. The reversal of 72023959 is 95932027.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72023959 - 21 = 72023957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72023957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11997 + ... + 16969.
It is an arithmetic number, because the mean of its divisors is an integer number (10296180).
Almost surely, 272023959 is an apocalyptic number.
72023959 is a deficient number, since it is larger than the sum of its proper divisors (10345481).
72023959 is a wasteful number, since it uses less digits than its factorization.
72023959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7049.
The product of its (nonzero) digits is 34020, while the sum is 37.
The square root of 72023959 is about 8486.6930544235. The cubic root of 72023959 is about 416.0629046117.
The spelling of 72023959 in words is "seventy-two million, twenty-three thousand, nine hundred fifty-nine".
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