Base | Representation |
---|---|
bin | 1000101011011… |
… | …00011011111111 |
3 | 12001222102012120 |
4 | 10111230123333 |
5 | 122113432103 |
6 | 11120134023 |
7 | 1542516645 |
oct | 425543377 |
9 | 161872176 |
10 | 72795903 |
11 | 38100704 |
12 | 20467313 |
13 | 1210a2cb |
14 | 994d195 |
15 | 65ce253 |
hex | 456c6ff |
72795903 has 8 divisors (see below), whose sum is σ = 99126528. Its totient is φ = 47497944.
The previous prime is 72795901. The next prime is 72795907. The reversal of 72795903 is 30959727.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72795903 - 21 = 72795901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72795901) 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, 258001 + ... + 258282.
It is an arithmetic number, because the mean of its divisors is an integer number (12390816).
Almost surely, 272795903 is an apocalyptic number.
72795903 is a deficient number, since it is larger than the sum of its proper divisors (26330625).
72795903 is a wasteful number, since it uses less digits than its factorization.
72795903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 516333.
The product of its (nonzero) digits is 119070, while the sum is 42.
The square root of 72795903 is about 8532.0515117995. The cubic root of 72795903 is about 417.5440626640.
The spelling of 72795903 in words is "seventy-two million, seven hundred ninety-five thousand, nine hundred three".
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