Base | Representation |
---|---|
bin | 1000000111101… |
… | …11111001110100 |
3 | 11202012001221100 |
4 | 10003313321310 |
5 | 114414434101 |
6 | 10432050100 |
7 | 1455022023 |
oct | 403677164 |
9 | 152161840 |
10 | 68124276 |
11 | 354aa860 |
12 | 1a993930 |
13 | 11162b2c |
14 | 90948ba |
15 | 5ea9e86 |
hex | 40f7e74 |
68124276 has 36 divisors (see below), whose sum is σ = 187858944. Its totient is φ = 20643600.
The previous prime is 68124271. The next prime is 68124293. The reversal of 68124276 is 67242186.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 68124276.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68124271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85620 + ... + 86411.
It is an arithmetic number, because the mean of its divisors is an integer number (5218304).
Almost surely, 268124276 is an apocalyptic number.
68124276 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
68124276 is an abundant number, since it is smaller than the sum of its proper divisors (119734668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68124276 is a wasteful number, since it uses less digits than its factorization.
68124276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172052 (or 172047 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 68124276 is about 8253.7431508377. The cubic root of 68124276 is about 408.4140116952.
The spelling of 68124276 in words is "sixty-eight million, one hundred twenty-four thousand, two hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •