Base | Representation |
---|---|
bin | 1000101010111… |
… | …00110110001001 |
3 | 12001212011121022 |
4 | 10111130312021 |
5 | 122104411131 |
6 | 11114522225 |
7 | 1542132524 |
oct | 425346611 |
9 | 161764538 |
10 | 72732041 |
11 | 38067728 |
12 | 20436375 |
13 | 120b7215 |
14 | 9933bbb |
15 | 65ba37b |
hex | 455cd89 |
72732041 has 4 divisors (see below), whose sum is σ = 72871632. Its totient is φ = 72592452.
The previous prime is 72732031. The next prime is 72732089. The reversal of 72732041 is 14023727.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 72732041 - 222 = 68537737 is a prime.
It is a Duffinian number.
It is a zygodrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 72732041.
It is not an unprimeable number, because it can be changed into a prime (72732031) 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 3 ways as a sum of consecutive naturals, for example, 69011 + ... + 70056.
It is an arithmetic number, because the mean of its divisors is an integer number (18217908).
Almost surely, 272732041 is an apocalyptic number.
It is an amenable number.
72732041 is a deficient number, since it is larger than the sum of its proper divisors (139591).
72732041 is a wasteful number, since it uses less digits than its factorization.
72732041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139590.
The product of its (nonzero) digits is 2352, while the sum is 26.
The square root of 72732041 is about 8528.3082144116. The cubic root of 72732041 is about 417.4219266682.
Adding to 72732041 its reverse (14023727), we get a palindrome (86755768).
It can be divided in two parts, 727 and 32041, that added together give a 15-th power (32768 = 215).
The spelling of 72732041 in words is "seventy-two million, seven hundred thirty-two thousand, forty-one".
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