Base | Representation |
---|---|
bin | 1000101000110… |
… | …11101011000101 |
3 | 12001100121102100 |
4 | 10110123223011 |
5 | 122022340333 |
6 | 11105102313 |
7 | 1536641331 |
oct | 424335305 |
9 | 161317370 |
10 | 72465093 |
11 | 379a5108 |
12 | 20327999 |
13 | 1202286c |
14 | 98a47c1 |
15 | 6566213 |
hex | 451bac5 |
72465093 has 6 divisors (see below), whose sum is σ = 104671814. Its totient is φ = 48310056.
The previous prime is 72465091. The next prime is 72465109. The reversal of 72465093 is 39056427.
It can be written as a sum of positive squares in only one way, i.e., 71622369 + 842724 = 8463^2 + 918^2 .
It is not a de Polignac number, because 72465093 - 21 = 72465091 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 (72465091) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 4025830 + ... + 4025847.
Almost surely, 272465093 is an apocalyptic number.
It is an amenable number.
72465093 is a deficient number, since it is larger than the sum of its proper divisors (32206721).
72465093 is a wasteful number, since it uses less digits than its factorization.
72465093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8051683 (or 8051680 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 72465093 is about 8512.6431265501. The cubic root of 72465093 is about 416.9106134858.
The spelling of 72465093 in words is "seventy-two million, four hundred sixty-five thousand, ninety-three".
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