Base | Representation |
---|---|
bin | 1000001011010… |
… | …10010111110110 |
3 | 11210001220002202 |
4 | 10011222113312 |
5 | 120024440032 |
6 | 10450104502 |
7 | 1462014002 |
oct | 405522766 |
9 | 153056082 |
10 | 68593142 |
11 | 357a0052 |
12 | 1ab7b132 |
13 | 11298377 |
14 | 9177702 |
15 | 604dd62 |
hex | 416a5f6 |
68593142 has 16 divisors (see below), whose sum is σ = 106415232. Its totient is φ = 33125760.
The previous prime is 68593141. The next prime is 68593157. The reversal of 68593142 is 24139586.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68593096 and 68593105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68593141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52238 + ... + 53534.
It is an arithmetic number, because the mean of its divisors is an integer number (6650952).
Almost surely, 268593142 is an apocalyptic number.
68593142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
68593142 is a deficient number, since it is larger than the sum of its proper divisors (37822090).
68593142 is a wasteful number, since it uses less digits than its factorization.
68593142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2183.
The product of its digits is 51840, while the sum is 38.
The square root of 68593142 is about 8282.0976811433. The cubic root of 68593142 is about 409.3488414573.
It can be divided in two parts, 6859 and 3142, that added together give a palindrome (10001).
The spelling of 68593142 in words is "sixty-eight million, five hundred ninety-three thousand, one hundred forty-two".
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