Base | Representation |
---|---|
bin | 1010000101001… |
… | …0101000001101 |
3 | 2221120010021221 |
4 | 2201102220031 |
5 | 41311001420 |
6 | 4110123341 |
7 | 1022246431 |
oct | 241225015 |
9 | 87503257 |
10 | 42281485 |
11 | 21959784 |
12 | 121b0551 |
13 | 89b513c |
14 | 58889c1 |
15 | 3aa2caa |
hex | 2852a0d |
42281485 has 8 divisors (see below), whose sum is σ = 50805216. Its totient is φ = 33780240.
The previous prime is 42281471. The next prime is 42281501. The reversal of 42281485 is 58418224.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42281485 - 213 = 42273293 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42281485.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159 + ... + 9268.
It is an arithmetic number, because the mean of its divisors is an integer number (6350652).
Almost surely, 242281485 is an apocalyptic number.
It is an amenable number.
42281485 is a deficient number, since it is larger than the sum of its proper divisors (8523731).
42281485 is a wasteful number, since it uses less digits than its factorization.
42281485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11243.
The product of its digits is 20480, while the sum is 34.
The square root of 42281485 is about 6502.4214720364. The cubic root of 42281485 is about 348.3774832180.
The spelling of 42281485 in words is "forty-two million, two hundred eighty-one thousand, four hundred eighty-five".
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