Base | Representation |
---|---|
bin | 1010001000000… |
… | …1001011000110 |
3 | 2221220210211000 |
4 | 2202001023012 |
5 | 41333102014 |
6 | 4114154130 |
7 | 1024002315 |
oct | 242011306 |
9 | 87823730 |
10 | 42472134 |
11 | 21a79a41 |
12 | 12282946 |
13 | 8a50b53 |
14 | 58d827c |
15 | 3ade509 |
hex | 28812c6 |
42472134 has 32 divisors (see below), whose sum is σ = 94832640. Its totient is φ = 14089896.
The previous prime is 42472127. The next prime is 42472147. The reversal of 42472134 is 43127424.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 42472098 and 42472107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10279 + ... + 13805.
It is an arithmetic number, because the mean of its divisors is an integer number (2963520).
Almost surely, 242472134 is an apocalyptic number.
42472134 is an abundant number, since it is smaller than the sum of its proper divisors (52360506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42472134 is a wasteful number, since it uses less digits than its factorization.
42472134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3761 (or 3755 counting only the distinct ones).
The product of its digits is 5376, while the sum is 27.
The square root of 42472134 is about 6517.0648301210. The cubic root of 42472134 is about 348.9003144384.
Adding to 42472134 its reverse (43127424), we get a palindrome (85599558).
The spelling of 42472134 in words is "forty-two million, four hundred seventy-two thousand, one hundred thirty-four".
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