Base | Representation |
---|---|
bin | 1010001111101… |
… | …0011110101111 |
3 | 2222212001101201 |
4 | 2203322132233 |
5 | 42000002012 |
6 | 4132550331 |
7 | 1031142034 |
oct | 243723657 |
9 | 88761351 |
10 | 42969007 |
11 | 22289284 |
12 | 124823a7 |
13 | 8b96063 |
14 | 59c738b |
15 | 3b8b857 |
hex | 28fa7af |
42969007 has 4 divisors (see below), whose sum is σ = 44355136. Its totient is φ = 41582880.
The previous prime is 42968993. The next prime is 42969019. The reversal of 42969007 is 70096924.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42969007 - 27 = 42968879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42969077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693018 + ... + 693079.
It is an arithmetic number, because the mean of its divisors is an integer number (11088784).
Almost surely, 242969007 is an apocalyptic number.
42969007 is a deficient number, since it is larger than the sum of its proper divisors (1386129).
42969007 is a wasteful number, since it uses less digits than its factorization.
42969007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1386128.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 42969007 is about 6555.0749042250. The cubic root of 42969007 is about 350.2556146327.
The spelling of 42969007 in words is "forty-two million, nine hundred sixty-nine thousand, seven".
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