Base | Representation |
---|---|
bin | 1000101100010… |
… | …01010110001111 |
3 | 12002012102122100 |
4 | 10112021112033 |
5 | 122131224234 |
6 | 11122450143 |
7 | 1543522122 |
oct | 426112617 |
9 | 162172570 |
10 | 72914319 |
11 | 38181675 |
12 | 20503953 |
13 | 1214c18a |
14 | 99803b9 |
15 | 6604399 |
hex | 458958f |
72914319 has 6 divisors (see below), whose sum is σ = 105320696. Its totient is φ = 48609540.
The previous prime is 72914311. The next prime is 72914327. The reversal of 72914319 is 91341927.
It is an interprime number because it is at equal distance from previous prime (72914311) and next prime (72914327).
It is not a de Polignac number, because 72914319 - 23 = 72914311 is a prime.
It is a super-2 number, since 2×729143192 = 10632995830467522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72914311) 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, 4050787 + ... + 4050804.
Almost surely, 272914319 is an apocalyptic number.
72914319 is a deficient number, since it is larger than the sum of its proper divisors (32406377).
72914319 is a wasteful number, since it uses less digits than its factorization.
72914319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8101597 (or 8101594 counting only the distinct ones).
The product of its digits is 13608, while the sum is 36.
The square root of 72914319 is about 8538.9881719089. The cubic root of 72914319 is about 417.7703442266.
The spelling of 72914319 in words is "seventy-two million, nine hundred fourteen thousand, three hundred nineteen".
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