Base | Representation |
---|---|
bin | 1000101001000… |
… | …00010101101111 |
3 | 12001101120122021 |
4 | 10110200111233 |
5 | 122023443312 |
6 | 11105331011 |
7 | 1540051135 |
oct | 424402557 |
9 | 161346567 |
10 | 72484207 |
11 | 37a08504 |
12 | 20336a67 |
13 | 1202b483 |
14 | 98ab755 |
15 | 656bc07 |
hex | 452056f |
72484207 has 4 divisors (see below), whose sum is σ = 72661840. Its totient is φ = 72306576.
The previous prime is 72484193. The next prime is 72484211. The reversal of 72484207 is 70248427.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70248427 = 197 ⋅356591.
It is a cyclic number.
It is not a de Polignac number, because 72484207 - 219 = 71959919 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 (72481207) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88203 + ... + 89020.
It is an arithmetic number, because the mean of its divisors is an integer number (18165460).
Almost surely, 272484207 is an apocalyptic number.
72484207 is a deficient number, since it is larger than the sum of its proper divisors (177633).
72484207 is a wasteful number, since it uses less digits than its factorization.
72484207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177632.
The product of its (nonzero) digits is 25088, while the sum is 34.
The square root of 72484207 is about 8513.7657355603. The cubic root of 72484207 is about 416.9472662087.
It can be divided in two parts, 7248420 and 7, that added together give a palindrome (7248427).
The spelling of 72484207 in words is "seventy-two million, four hundred eighty-four thousand, two hundred seven".
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