Base | Representation |
---|---|
bin | 1000001100100… |
… | …01000001001010 |
3 | 11210100221020102 |
4 | 10012101001022 |
5 | 120100021214 |
6 | 10453325402 |
7 | 1463243333 |
oct | 406210112 |
9 | 153327212 |
10 | 68751434 |
11 | 35898a74 |
12 | 1b036862 |
13 | 1132242b |
14 | 91b928a |
15 | 6080bde |
hex | 419104a |
68751434 has 8 divisors (see below), whose sum is σ = 109193508. Its totient is φ = 32353600.
The previous prime is 68751421. The next prime is 68751437. The reversal of 68751434 is 43415786.
It can be written as a sum of positive squares in 2 ways, for example, as 64850809 + 3900625 = 8053^2 + 1975^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (68751437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011017 + ... + 1011084.
Almost surely, 268751434 is an apocalyptic number.
68751434 is a deficient number, since it is larger than the sum of its proper divisors (40442074).
68751434 is a wasteful number, since it uses less digits than its factorization.
68751434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2022120.
The product of its digits is 80640, while the sum is 38.
The square root of 68751434 is about 8291.6484488912. The cubic root of 68751434 is about 409.6634835392.
It can be divided in two parts, 6875143 and 4, that multiplied together give a palindrome (27500572).
The spelling of 68751434 in words is "sixty-eight million, seven hundred fifty-one thousand, four hundred thirty-four".
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