Base | Representation |
---|---|
bin | 1010000000111… |
… | …1101011110110 |
3 | 2221001012011102 |
4 | 2200033223312 |
5 | 41223213121 |
6 | 4100210102 |
7 | 1020025136 |
oct | 240175366 |
9 | 87035142 |
10 | 42007286 |
11 | 21791772 |
12 | 12099932 |
13 | 891a3a9 |
14 | 5816ac6 |
15 | 3a4b90b |
hex | 280faf6 |
42007286 has 8 divisors (see below), whose sum is σ = 63090144. Its totient is φ = 20977240.
The previous prime is 42007279. The next prime is 42007291. The reversal of 42007286 is 68270024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×420072862 = 3529224154171592, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11150 + ... + 14433.
It is an arithmetic number, because the mean of its divisors is an integer number (7886268).
Almost surely, 242007286 is an apocalyptic number.
42007286 is a deficient number, since it is larger than the sum of its proper divisors (21082858).
42007286 is a wasteful number, since it uses less digits than its factorization.
42007286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26406.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 42007286 is about 6481.3028011350. The cubic root of 42007286 is about 347.6227635885.
The spelling of 42007286 in words is "forty-two million, seven thousand, two hundred eighty-six".
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