Base | Representation |
---|---|
bin | 1000001011011… |
… | …11000001101010 |
3 | 11210002212020200 |
4 | 10011233001222 |
5 | 120031042302 |
6 | 10450333030 |
7 | 1462123401 |
oct | 405570152 |
9 | 153085220 |
10 | 68612202 |
11 | 358033aa |
12 | 1ab8a176 |
13 | 112a3c49 |
14 | 9180638 |
15 | 605481c |
hex | 416f06a |
68612202 has 24 divisors (see below), whose sum is σ = 153787140. Its totient is φ = 22081920.
The previous prime is 68612191. The next prime is 68612227. The reversal of 68612202 is 20221686.
It can be written as a sum of positive squares in 2 ways, for example, as 66732561 + 1879641 = 8169^2 + 1371^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65199 + ... + 66242.
Almost surely, 268612202 is an apocalyptic number.
68612202 is an abundant number, since it is smaller than the sum of its proper divisors (85174938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68612202 is a wasteful number, since it uses less digits than its factorization.
68612202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131478 (or 131475 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 68612202 is about 8283.2482758879. The cubic root of 68612202 is about 409.3867532472.
Adding to 68612202 its reverse (20221686), we get a palindrome (88833888).
The spelling of 68612202 in words is "sixty-eight million, six hundred twelve thousand, two hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •