Base | Representation |
---|---|
bin | 1000101000110… |
… | …01001101000111 |
3 | 12001100002112220 |
4 | 10110121031013 |
5 | 122022024413 |
6 | 11104543423 |
7 | 1536600006 |
oct | 424311507 |
9 | 161302486 |
10 | 72454983 |
11 | 37998557 |
12 | 20321b73 |
13 | 1201b093 |
14 | 98a0c3d |
15 | 6563223 |
hex | 4519347 |
72454983 has 8 divisors (see below), whose sum is σ = 96708096. Its totient is φ = 48252600.
The previous prime is 72454973. The next prime is 72455011. The reversal of 72454983 is 38945427.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72454983 - 26 = 72454919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72454903) 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, 9213 + ... + 15158.
It is an arithmetic number, because the mean of its divisors is an integer number (12088512).
Almost surely, 272454983 is an apocalyptic number.
72454983 is a deficient number, since it is larger than the sum of its proper divisors (24253113).
72454983 is a wasteful number, since it uses less digits than its factorization.
72454983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25365.
The product of its digits is 241920, while the sum is 42.
The square root of 72454983 is about 8512.0492832220. The cubic root of 72454983 is about 416.8912240935.
It can be divided in two parts, 72454 and 983, that added together give a palindrome (73437).
The spelling of 72454983 in words is "seventy-two million, four hundred fifty-four thousand, nine hundred eighty-three".
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