Base | Representation |
---|---|
bin | 1010000110110… |
… | …1101001111001 |
3 | 2221202202010221 |
4 | 2201231221321 |
5 | 41323022220 |
6 | 4112340041 |
7 | 1023220243 |
oct | 241555171 |
9 | 87682127 |
10 | 42392185 |
11 | 21a24970 |
12 | 12244621 |
13 | 8a23644 |
14 | 58b7093 |
15 | 3ac59aa |
hex | 286da79 |
42392185 has 8 divisors (see below), whose sum is σ = 55495296. Its totient is φ = 30830640.
The previous prime is 42392179. The next prime is 42392263. The reversal of 42392185 is 58129324.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42392185 - 29 = 42391673 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 42392185.
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, 385329 + ... + 385438.
It is an arithmetic number, because the mean of its divisors is an integer number (6936912).
Almost surely, 242392185 is an apocalyptic number.
It is an amenable number.
42392185 is a deficient number, since it is larger than the sum of its proper divisors (13103111).
42392185 is a wasteful number, since it uses less digits than its factorization.
42392185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770783.
The product of its digits is 17280, while the sum is 34.
The square root of 42392185 is about 6510.9281212435. The cubic root of 42392185 is about 348.6812551045.
The spelling of 42392185 in words is "forty-two million, three hundred ninety-two thousand, one hundred eighty-five".
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