Base | Representation |
---|---|
bin | 1000100110111… |
… | …01111001001001 |
3 | 12000212202022001 |
4 | 10103131321021 |
5 | 121441241131 |
6 | 11055431001 |
7 | 1534535506 |
oct | 423357111 |
9 | 160782261 |
10 | 72212041 |
11 | 37841a80 |
12 | 20225461 |
13 | 11c64625 |
14 | 983a4ad |
15 | 6516261 |
hex | 44dde49 |
72212041 has 8 divisors (see below), whose sum is σ = 79887168. Its totient is φ = 64722000.
The previous prime is 72212011. The next prime is 72212087. The reversal of 72212041 is 14021227.
It is a happy number.
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 72212041 - 25 = 72212009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72212011) 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, 45450 + ... + 47011.
It is an arithmetic number, because the mean of its divisors is an integer number (9985896).
Almost surely, 272212041 is an apocalyptic number.
72212041 is a gapful number since it is divisible by the number (71) formed by its first and last digit.
It is an amenable number.
72212041 is a deficient number, since it is larger than the sum of its proper divisors (7675127).
72212041 is a wasteful number, since it uses less digits than its factorization.
72212041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92543.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 72212041 is about 8497.7668242898. The cubic root of 72212041 is about 416.4247560752.
Adding to 72212041 its reverse (14021227), we get a palindrome (86233268).
The spelling of 72212041 in words is "seventy-two million, two hundred twelve thousand, forty-one".
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