Base | Representation |
---|---|
bin | 1000001011000… |
… | …11000100111100 |
3 | 11210000101010000 |
4 | 10011203010330 |
5 | 120023011020 |
6 | 10445314300 |
7 | 1461530613 |
oct | 405430474 |
9 | 153011100 |
10 | 68563260 |
11 | 3577a657 |
12 | 1ab65990 |
13 | 1128789c |
14 | 916a87a |
15 | 6045090 |
hex | 416313c |
68563260 has 60 divisors (see below), whose sum is σ = 215090568. Its totient is φ = 18283104.
The previous prime is 68563247. The next prime is 68563273. The reversal of 68563260 is 6236586.
It is an interprime number because it is at equal distance from previous prime (68563247) and next prime (68563273).
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19542 + ... + 22781.
Almost surely, 268563260 is an apocalyptic number.
68563260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68563260 is an abundant number, since it is smaller than the sum of its proper divisors (146527308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68563260 is a wasteful number, since it uses less digits than its factorization.
68563260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42344 (or 42333 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 68563260 is about 8280.2934730600. The cubic root of 68563260 is about 409.2893897472.
The spelling of 68563260 in words is "sixty-eight million, five hundred sixty-three thousand, two hundred sixty".
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