Base | Representation |
---|---|
bin | 1000100111001… |
… | …10101101001101 |
3 | 12000221120211002 |
4 | 10103212231031 |
5 | 121443420031 |
6 | 11100310045 |
7 | 1535045660 |
oct | 423465515 |
9 | 160846732 |
10 | 72248141 |
11 | 37867109 |
12 | 20242325 |
13 | 11c77ba4 |
14 | 98496d7 |
15 | 6521ccb |
hex | 44e6b4d |
72248141 has 16 divisors (see below), whose sum is σ = 83865600. Its totient is φ = 60963840.
The previous prime is 72248131. The next prime is 72248149. The reversal of 72248141 is 14184227.
It is not a de Polignac number, because 72248141 - 218 = 71985997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72248149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160685 + ... + 161133.
It is an arithmetic number, because the mean of its divisors is an integer number (5241600).
Almost surely, 272248141 is an apocalyptic number.
It is an amenable number.
72248141 is a deficient number, since it is larger than the sum of its proper divisors (11617459).
72248141 is a wasteful number, since it uses less digits than its factorization.
72248141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 764.
The product of its digits is 3584, while the sum is 29.
The square root of 72248141 is about 8499.8906463554. The cubic root of 72248141 is about 416.4941370681.
The spelling of 72248141 in words is "seventy-two million, two hundred forty-eight thousand, one hundred forty-one".
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