Base | Representation |
---|---|
bin | 1000001000010… |
… | …11000001111100 |
3 | 11202100001101222 |
4 | 10010023001330 |
5 | 114424440440 |
6 | 10433452512 |
7 | 1455466313 |
oct | 404130174 |
9 | 152301358 |
10 | 68202620 |
11 | 35553702 |
12 | 1aa11138 |
13 | 1118c6a5 |
14 | 90b527a |
15 | 5ec32b5 |
hex | 410b07c |
68202620 has 12 divisors (see below), whose sum is σ = 143225544. Its totient is φ = 27281040.
The previous prime is 68202587. The next prime is 68202637. The reversal of 68202620 is 2620286.
It is a self number, because there is not a number n which added to its sum of digits gives 68202620.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705046 + ... + 1705085.
It is an arithmetic number, because the mean of its divisors is an integer number (11935462).
Almost surely, 268202620 is an apocalyptic number.
It is an amenable number.
68202620 is an abundant number, since it is smaller than the sum of its proper divisors (75022924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68202620 is a wasteful number, since it uses less digits than its factorization.
68202620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3410140 (or 3410138 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 68202620 is about 8258.4877550312. The cubic root of 68202620 is about 408.5705125856.
The spelling of 68202620 in words is "sixty-eight million, two hundred two thousand, six hundred twenty".
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