Base | Representation |
---|---|
bin | 1010000110100… |
… | …0010010100111 |
3 | 2221201122000020 |
4 | 2201220102213 |
5 | 41321321330 |
6 | 4112050223 |
7 | 1023066216 |
oct | 241502247 |
9 | 87648006 |
10 | 42370215 |
11 | 21a0a408 |
12 | 12233973 |
13 | 8a16644 |
14 | 58ad07d |
15 | 3abe210 |
hex | 28684a7 |
42370215 has 8 divisors (see below), whose sum is σ = 67792368. Its totient is φ = 22597440.
The previous prime is 42370213. The next prime is 42370271. The reversal of 42370215 is 51207324.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42370215 - 21 = 42370213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42370213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412326 + ... + 1412355.
It is an arithmetic number, because the mean of its divisors is an integer number (8474046).
Almost surely, 242370215 is an apocalyptic number.
42370215 is a deficient number, since it is larger than the sum of its proper divisors (25422153).
42370215 is a wasteful number, since it uses less digits than its factorization.
42370215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2824689.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 42370215 is about 6509.2407391339. The cubic root of 42370215 is about 348.6210093232.
Adding to 42370215 its reverse (51207324), we get a palindrome (93577539).
The spelling of 42370215 in words is "forty-two million, three hundred seventy thousand, two hundred fifteen".
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