Base | Representation |
---|---|
bin | 1000100101101… |
… | …00101111100111 |
3 | 12000120012002121 |
4 | 10102310233213 |
5 | 121420342440 |
6 | 11052050411 |
7 | 1533234226 |
oct | 422645747 |
9 | 160505077 |
10 | 72043495 |
11 | 37737387 |
12 | 20163a07 |
13 | 11c059b4 |
14 | 97d4cbd |
15 | 64d134a |
hex | 44b4be7 |
72043495 has 8 divisors (see below), whose sum is σ = 86841216. Its totient is φ = 57375456.
The previous prime is 72043493. The next prime is 72043507. The reversal of 72043495 is 59434027.
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 72043495 - 21 = 72043493 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72043495.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72043493) 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, 31192 + ... + 33421.
It is an arithmetic number, because the mean of its divisors is an integer number (10855152).
Almost surely, 272043495 is an apocalyptic number.
72043495 is a deficient number, since it is larger than the sum of its proper divisors (14797721).
72043495 is a wasteful number, since it uses less digits than its factorization.
72043495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64841.
The product of its (nonzero) digits is 30240, while the sum is 34.
The square root of 72043495 is about 8487.8439547390. The cubic root of 72043495 is about 416.1005192713.
The spelling of 72043495 in words is "seventy-two million, forty-three thousand, four hundred ninety-five".
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