Base | Representation |
---|---|
bin | 1000001010011… |
… | …01010110001101 |
3 | 11202211212000110 |
4 | 10011031112031 |
5 | 120012134003 |
6 | 10443350233 |
7 | 1461010251 |
oct | 405152615 |
9 | 152755013 |
10 | 68474253 |
11 | 357197a1 |
12 | 1ab22379 |
13 | 11256213 |
14 | 9146261 |
15 | 6028a03 |
hex | 414d58d |
68474253 has 16 divisors (see below), whose sum is σ = 94381056. Its totient is φ = 44132400.
The previous prime is 68474207. The next prime is 68474261. The reversal of 68474253 is 35247486.
It is a happy number.
68474253 is a nontrivial binomial coefficient, being equal to C(11703, 2).
It is not a de Polignac number, because 68474253 - 28 = 68473997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68479253) 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, 8778 + ... + 14628.
It is an arithmetic number, because the mean of its divisors is an integer number (5898816).
Almost surely, 268474253 is an apocalyptic number.
68474253 is the 11702-nd triangular number.
It is an amenable number.
68474253 is a deficient number, since it is larger than the sum of its proper divisors (25906803).
68474253 is a wasteful number, since it uses less digits than its factorization.
68474253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5984.
The product of its digits is 161280, while the sum is 39.
The square root of 68474253 is about 8274.9170992826. The cubic root of 68474253 is about 409.1122035200.
The spelling of 68474253 in words is "sixty-eight million, four hundred seventy-four thousand, two hundred fifty-three".
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