Base | Representation |
---|---|
bin | 1000101001101… |
… | …01010111100101 |
3 | 12001112221210102 |
4 | 10110311113211 |
5 | 122034222331 |
6 | 11111233445 |
7 | 1540560224 |
oct | 424652745 |
9 | 161487712 |
10 | 72570341 |
11 | 37a67198 |
12 | 20378885 |
13 | 1205b73c |
14 | 98d0cbb |
15 | 65874cb |
hex | 45355e5 |
72570341 has 2 divisors, whose sum is σ = 72570342. Its totient is φ = 72570340.
The previous prime is 72570317. The next prime is 72570343. The reversal of 72570341 is 14307527.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 51179716 + 21390625 = 7154^2 + 4625^2 .
It is a cyclic number.
It is not a de Polignac number, because 72570341 - 210 = 72569317 is a prime.
It is a Sophie Germain prime.
Together with 72570343, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a plaindrome in base 6.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72570343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36285170 + 36285171.
It is an arithmetic number, because the mean of its divisors is an integer number (36285171).
Almost surely, 272570341 is an apocalyptic number.
It is an amenable number.
72570341 is a deficient number, since it is larger than the sum of its proper divisors (1).
72570341 is an equidigital number, since it uses as much as digits as its factorization.
72570341 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 72570341 is about 8518.8227473049. The cubic root of 72570341 is about 417.1123555951.
Adding to 72570341 its reverse (14307527), we get a palindrome (86877868).
The spelling of 72570341 in words is "seventy-two million, five hundred seventy thousand, three hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •