Base | Representation |
---|---|
bin | 1000001000010… |
… | …11000010010010 |
3 | 11202100001102210 |
4 | 10010023002102 |
5 | 114424441032 |
6 | 10433452550 |
7 | 1455466344 |
oct | 404130222 |
9 | 152301383 |
10 | 68202642 |
11 | 35553722 |
12 | 1aa11156 |
13 | 1118c6c1 |
14 | 90b5294 |
15 | 5ec32cc |
hex | 410b092 |
68202642 has 16 divisors (see below), whose sum is σ = 136503072. Its totient is φ = 22717920.
The previous prime is 68202637. The next prime is 68202653. The reversal of 68202642 is 24620286.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7542 + ... + 13902.
It is an arithmetic number, because the mean of its divisors is an integer number (8531442).
Almost surely, 268202642 is an apocalyptic number.
68202642 is an abundant number, since it is smaller than the sum of its proper divisors (68300430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68202642 is a wasteful number, since it uses less digits than its factorization.
68202642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8153.
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 68202642 is about 8258.4890869941. The cubic root of 68202642 is about 408.5705565162.
The spelling of 68202642 in words is "sixty-eight million, two hundred two thousand, six hundred forty-two".
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