Base | Representation |
---|---|
bin | 1010001111001… |
… | …0111010010111 |
3 | 2222210110212120 |
4 | 2203302322113 |
5 | 41443004012 |
6 | 4132151023 |
7 | 1030652460 |
oct | 243627227 |
9 | 88713776 |
10 | 42938007 |
11 | 22267a62 |
12 | 12468473 |
13 | 8b84c08 |
14 | 59b9d67 |
15 | 3b8258c |
hex | 28f2e97 |
42938007 has 16 divisors (see below), whose sum is σ = 67540992. Its totient is φ = 23744160.
The previous prime is 42937997. The next prime is 42938041. The reversal of 42938007 is 70083924.
It is not a de Polignac number, because 42938007 - 24 = 42937991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42938507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32328 + ... + 33629.
It is an arithmetic number, because the mean of its divisors is an integer number (4221312).
Almost surely, 242938007 is an apocalyptic number.
42938007 is a deficient number, since it is larger than the sum of its proper divisors (24602985).
42938007 is a wasteful number, since it uses less digits than its factorization.
42938007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65998.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 42938007 is about 6552.7098974394. The cubic root of 42938007 is about 350.1713637039.
The spelling of 42938007 in words is "forty-two million, nine hundred thirty-eight thousand, seven".
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