Base | Representation |
---|---|
bin | 1000101100110… |
… | …01011001011011 |
3 | 12002022202211011 |
4 | 10112121121123 |
5 | 122140330214 |
6 | 11124114351 |
7 | 1544214565 |
oct | 426313133 |
9 | 162282734 |
10 | 72980059 |
11 | 38216aa9 |
12 | 205359b7 |
13 | 12173089 |
14 | 999a335 |
15 | 6618ac4 |
hex | 459965b |
72980059 has 4 divisors (see below), whose sum is σ = 73052560. Its totient is φ = 72907560.
The previous prime is 72980053. The next prime is 72980069. The reversal of 72980059 is 95008927.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72980059 - 29 = 72979547 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72980053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34719 + ... + 36760.
It is an arithmetic number, because the mean of its divisors is an integer number (18263140).
Almost surely, 272980059 is an apocalyptic number.
72980059 is a deficient number, since it is larger than the sum of its proper divisors (72501).
72980059 is a wasteful number, since it uses less digits than its factorization.
72980059 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72500.
The product of its (nonzero) digits is 45360, while the sum is 40.
The square root of 72980059 is about 8542.8367068556. The cubic root of 72980059 is about 417.8958612853.
The spelling of 72980059 in words is "seventy-two million, nine hundred eighty thousand, fifty-nine".
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