Base | Representation |
---|---|
bin | 1010010010010… |
… | …0110101010101 |
3 | 10000011212100211 |
4 | 2210210311111 |
5 | 42021024420 |
6 | 4140405421 |
7 | 1032463561 |
oct | 244446525 |
9 | 100155324 |
10 | 43142485 |
11 | 22397651 |
12 | 12546871 |
13 | 8c26cc9 |
14 | 5a306a1 |
15 | 3bc2e5a |
hex | 2924d55 |
43142485 has 8 divisors (see below), whose sum is σ = 52000416. Its totient is φ = 34361040.
The previous prime is 43142467. The next prime is 43142531. The reversal of 43142485 is 58424134.
43142485 = 3182 + 3192 + ... + 5442.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 43142485 - 27 = 43142357 is a prime.
It is a super-2 number, since 2×431424852 = 3722548023950450, which contains 22 as substring.
It is a Duffinian number.
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, 17871 + ... + 20140.
It is an arithmetic number, because the mean of its divisors is an integer number (6500052).
Almost surely, 243142485 is an apocalyptic number.
It is an amenable number.
43142485 is a deficient number, since it is larger than the sum of its proper divisors (8857931).
43142485 is a wasteful number, since it uses less digits than its factorization.
43142485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38243.
The product of its digits is 15360, while the sum is 31.
The square root of 43142485 is about 6568.2939185149. The cubic root of 43142485 is about 350.7263419471.
The spelling of 43142485 in words is "forty-three million, one hundred forty-two thousand, four hundred eighty-five".
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