Base | Representation |
---|---|
bin | 1000001011100… |
… | …11001011000110 |
3 | 11210010201112212 |
4 | 10011303023012 |
5 | 120032113230 |
6 | 10450543422 |
7 | 1462224050 |
oct | 405631306 |
9 | 153121485 |
10 | 68629190 |
11 | 35815143 |
12 | 1ab97b72 |
13 | 112ab8b6 |
14 | 91868d0 |
15 | 6059895 |
hex | 41732c6 |
68629190 has 16 divisors (see below), whose sum is σ = 141180192. Its totient is φ = 23529984.
The previous prime is 68629189. The next prime is 68629193. The reversal of 68629190 is 9192686.
It is a super-2 number, since 2×686291902 = 9419931440112200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68629193) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490139 + ... + 490278.
It is an arithmetic number, because the mean of its divisors is an integer number (8823762).
Almost surely, 268629190 is an apocalyptic number.
68629190 is an abundant number, since it is smaller than the sum of its proper divisors (72551002).
68629190 is a wasteful number, since it uses less digits than its factorization.
68629190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 980431.
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 68629190 is about 8284.2736555476. The cubic root of 68629190 is about 409.4205377543.
The spelling of 68629190 in words is "sixty-eight million, six hundred twenty-nine thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •