Base | Representation |
---|---|
bin | 1000101111100… |
… | …01111010100111 |
3 | 12010000012011202 |
4 | 10113301322213 |
5 | 122233431011 |
6 | 11135553115 |
7 | 1550254625 |
oct | 427617247 |
9 | 163005152 |
10 | 73342631 |
11 | 3844444a |
12 | 2068b79b |
13 | 1226c10b |
14 | 9a52515 |
15 | 668b23b |
hex | 45f1ea7 |
73342631 has 2 divisors, whose sum is σ = 73342632. Its totient is φ = 73342630.
The previous prime is 73342609. The next prime is 73342639. The reversal of 73342631 is 13624337.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (13624337) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 73342631 - 214 = 73326247 is a prime.
It is a super-2 number, since 2×733426312 = 10758283044004322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 73342594 and 73342603.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (73342639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36671315 + 36671316.
It is an arithmetic number, because the mean of its divisors is an integer number (36671316).
Almost surely, 273342631 is an apocalyptic number.
73342631 is a deficient number, since it is larger than the sum of its proper divisors (1).
73342631 is an equidigital number, since it uses as much as digits as its factorization.
73342631 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9072, while the sum is 29.
The square root of 73342631 is about 8564.0312353471. The cubic root of 73342631 is about 418.5867674175.
Adding to 73342631 its reverse (13624337), we get a palindrome (86966968).
The spelling of 73342631 in words is "seventy-three million, three hundred forty-two thousand, six hundred thirty-one".
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