Base | Representation |
---|---|
bin | 1010001111110… |
… | …1001011100011 |
3 | 2222212121120100 |
4 | 2203331023203 |
5 | 42000330232 |
6 | 4133113443 |
7 | 1031216214 |
oct | 243751343 |
9 | 88777510 |
10 | 42980067 |
11 | 22296619 |
12 | 12488883 |
13 | 8b9b0c0 |
14 | 59cb40b |
15 | 3b8ec7c |
hex | 28fd2e3 |
42980067 has 24 divisors (see below), whose sum is σ = 67213328. Its totient is φ = 26308800.
The previous prime is 42980057. The next prime is 42980089. The reversal of 42980067 is 76008924.
It is not a de Polignac number, because 42980067 - 212 = 42975971 is a prime.
It is a super-4 number, since 4×429800674 (a number of 32 digits) contains 4444 as substring.
It is a nialpdrome in base 9.
It is not an unprimeable number, because it can be changed into a prime (42980027) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23817 + ... + 25557.
Almost surely, 242980067 is an apocalyptic number.
42980067 is a deficient number, since it is larger than the sum of its proper divisors (24233261).
42980067 is a wasteful number, since it uses less digits than its factorization.
42980067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1971 (or 1968 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 42980067 is about 6555.9184711221. The cubic root of 42980067 is about 350.2856633822.
The spelling of 42980067 in words is "forty-two million, nine hundred eighty thousand, sixty-seven".
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