Base | Representation |
---|---|
bin | 1000101011001… |
… | …01111001011011 |
3 | 12001221001110102 |
4 | 10111211321123 |
5 | 122112102430 |
6 | 11115410015 |
7 | 1542345566 |
oct | 425457133 |
9 | 161831412 |
10 | 72769115 |
11 | 38092571 |
12 | 2045390b |
13 | 120cb063 |
14 | 99434dd |
15 | 65c6345 |
hex | 4565e5b |
72769115 has 8 divisors (see below), whose sum is σ = 89353968. Its totient is φ = 56861280.
The previous prime is 72769111. The next prime is 72769117. The reversal of 72769115 is 51196727.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72769115 - 22 = 72769111 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72769111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169016 + ... + 169445.
It is an arithmetic number, because the mean of its divisors is an integer number (11169246).
Almost surely, 272769115 is an apocalyptic number.
72769115 is a deficient number, since it is larger than the sum of its proper divisors (16584853).
72769115 is a wasteful number, since it uses less digits than its factorization.
72769115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338509.
The product of its digits is 26460, while the sum is 38.
The square root of 72769115 is about 8530.4815221651. The cubic root of 72769115 is about 417.4928393479.
The spelling of 72769115 in words is "seventy-two million, seven hundred sixty-nine thousand, one hundred fifteen".
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