Base | Representation |
---|---|
bin | 1000101000001… |
… | …11011111111111 |
3 | 12001012102001222 |
4 | 10110013133333 |
5 | 122012214323 |
6 | 11103223555 |
7 | 1536145406 |
oct | 424073777 |
9 | 161172058 |
10 | 72382463 |
11 | 3794901a |
12 | 202a7bbb |
13 | 11cc407a |
14 | 988263d |
15 | 654b9c8 |
hex | 45077ff |
72382463 has 4 divisors (see below), whose sum is σ = 74878440. Its totient is φ = 69886488.
The previous prime is 72382433. The next prime is 72382483. The reversal of 72382463 is 36428327.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36428327 = 13 ⋅2802179.
It is a cyclic number.
It is not a de Polignac number, because 72382463 - 28 = 72382207 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 (72382423) 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 3 ways as a sum of consecutive naturals, for example, 1247945 + ... + 1248002.
It is an arithmetic number, because the mean of its divisors is an integer number (18719610).
Almost surely, 272382463 is an apocalyptic number.
72382463 is a deficient number, since it is larger than the sum of its proper divisors (2495977).
72382463 is a wasteful number, since it uses less digits than its factorization.
72382463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2495976.
The product of its digits is 48384, while the sum is 35.
The square root of 72382463 is about 8507.7883730145. The cubic root of 72382463 is about 416.7520892237.
The spelling of 72382463 in words is "seventy-two million, three hundred eighty-two thousand, four hundred sixty-three".
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