Base | Representation |
---|---|
bin | 1000001101111… |
… | …11111101010100 |
3 | 11210201200222101 |
4 | 10012333331110 |
5 | 120122144300 |
6 | 10501411444 |
7 | 1465004020 |
oct | 406777524 |
9 | 153650871 |
10 | 68943700 |
11 | 35a0a471 |
12 | 1b109b84 |
13 | 1138bab7 |
14 | 9229380 |
15 | 60bcb6a |
hex | 41bff54 |
68943700 has 36 divisors (see below), whose sum is σ = 170982112. Its totient is φ = 23637600.
The previous prime is 68943697. The next prime is 68943703. The reversal of 68943700 is 734986.
It is an interprime number because it is at equal distance from previous prime (68943697) and next prime (68943703).
It is a self number, because there is not a number n which added to its sum of digits gives 68943700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68943703) 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, 48546 + ... + 49945.
Almost surely, 268943700 is an apocalyptic number.
It is an amenable number.
68943700 is an abundant number, since it is smaller than the sum of its proper divisors (102038412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68943700 is a wasteful number, since it uses less digits than its factorization.
68943700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98512 (or 98505 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 68943700 is about 8303.2343095929. The cubic root of 68943700 is about 410.0450079482.
The spelling of 68943700 in words is "sixty-eight million, nine hundred forty-three thousand, seven hundred".
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