Base | Representation |
---|---|
bin | 1000001101101… |
… | …01110110000011 |
3 | 11210122121011010 |
4 | 10012311312003 |
5 | 120114333100 |
6 | 10500452003 |
7 | 1464442161 |
oct | 406656603 |
9 | 153577133 |
10 | 68902275 |
11 | 35991332 |
12 | 1b0aa003 |
13 | 11375ca0 |
14 | 9218231 |
15 | 60b0750 |
hex | 41b5d83 |
68902275 has 48 divisors (see below), whose sum is σ = 129929184. Its totient is φ = 31918080.
The previous prime is 68902247. The next prime is 68902277. The reversal of 68902275 is 57220986.
It is a happy number.
It is not a de Polignac number, because 68902275 - 214 = 68885891 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68902277) 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 47 ways as a sum of consecutive naturals, for example, 14497 + ... + 18653.
It is an arithmetic number, because the mean of its divisors is an integer number (2706858).
Almost surely, 268902275 is an apocalyptic number.
68902275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
68902275 is a deficient number, since it is larger than the sum of its proper divisors (61026909).
68902275 is a wasteful number, since it uses less digits than its factorization.
68902275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4200 (or 4195 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 68902275 is about 8300.7394248946. The cubic root of 68902275 is about 409.9628659607.
The spelling of 68902275 in words is "sixty-eight million, nine hundred two thousand, two hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.123 sec. • engine limits •