Base | Representation |
---|---|
bin | 1000101011000… |
… | …01100010010101 |
3 | 12001220010221212 |
4 | 10111201202111 |
5 | 122111020003 |
6 | 11115151205 |
7 | 1542242531 |
oct | 425414225 |
9 | 161803855 |
10 | 72751253 |
11 | 38080103 |
12 | 20445505 |
13 | 120c2ba3 |
14 | 993abc1 |
15 | 65c0dd8 |
hex | 4561895 |
72751253 has 8 divisors (see below), whose sum is σ = 74425728. Its totient is φ = 71082144.
The previous prime is 72751249. The next prime is 72751267. The reversal of 72751253 is 35215727.
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 72751253 - 22 = 72751249 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 (72753253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40625 + ... + 42377.
It is an arithmetic number, because the mean of its divisors is an integer number (9303216).
Almost surely, 272751253 is an apocalyptic number.
It is an amenable number.
72751253 is a deficient number, since it is larger than the sum of its proper divisors (1674475).
72751253 is a wasteful number, since it uses less digits than its factorization.
72751253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2683.
The product of its digits is 14700, while the sum is 32.
The square root of 72751253 is about 8529.4345064606. The cubic root of 72751253 is about 417.4586771106.
The spelling of 72751253 in words is "seventy-two million, seven hundred fifty-one thousand, two hundred fifty-three".
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