Base | Representation |
---|---|
bin | 1010001011100… |
… | …0000101001110 |
3 | 2222100020022210 |
4 | 2202320011032 |
5 | 41412301123 |
6 | 4123051250 |
7 | 1025630106 |
oct | 242700516 |
9 | 88306283 |
10 | 42697038 |
11 | 22112a0a |
12 | 12370b26 |
13 | 8acc327 |
14 | 5956206 |
15 | 3b35e93 |
hex | 28b814e |
42697038 has 32 divisors (see below), whose sum is σ = 88728480. Its totient is φ = 13685760.
The previous prime is 42697037. The next prime is 42697063. The reversal of 42697038 is 83079624.
It is a junction number, because it is equal to n+sod(n) for n = 42696987 and 42697005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42697033) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 18678 + ... + 20838.
It is an arithmetic number, because the mean of its divisors is an integer number (2772765).
Almost surely, 242697038 is an apocalyptic number.
42697038 is an abundant number, since it is smaller than the sum of its proper divisors (46031442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42697038 is a wasteful number, since it uses less digits than its factorization.
42697038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2292.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 42697038 is about 6534.2970547718. The cubic root of 42697038 is about 349.5150781152.
The spelling of 42697038 in words is "forty-two million, six hundred ninety-seven thousand, thirty-eight".
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