Base | Representation |
---|---|
bin | 1010000110110… |
… | …0100111000110 |
3 | 2221202112021121 |
4 | 2201230213012 |
5 | 41322403120 |
6 | 4112304154 |
7 | 1023201625 |
oct | 241544706 |
9 | 87675247 |
10 | 42387910 |
11 | 21a21734 |
12 | 1224205a |
13 | 8a21706 |
14 | 58b56bc |
15 | 3ac45aa |
hex | 286c9c6 |
42387910 has 8 divisors (see below), whose sum is σ = 76298256. Its totient is φ = 16955160.
The previous prime is 42387883. The next prime is 42387913. The reversal of 42387910 is 1978324.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42387913) 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, 2119386 + ... + 2119405.
It is an arithmetic number, because the mean of its divisors is an integer number (9537282).
Almost surely, 242387910 is an apocalyptic number.
42387910 is a deficient number, since it is larger than the sum of its proper divisors (33910346).
42387910 is a wasteful number, since it uses less digits than its factorization.
42387910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4238798.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 42387910 is about 6510.5998187571. The cubic root of 42387910 is about 348.6695338995.
The spelling of 42387910 in words is "forty-two million, three hundred eighty-seven thousand, nine hundred ten".
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