Base | Representation |
---|---|
bin | 1010000111101… |
… | …1111101111011 |
3 | 2221212201120021 |
4 | 2201323331323 |
5 | 41331411221 |
6 | 4113511311 |
7 | 1023553204 |
oct | 241737573 |
9 | 87781507 |
10 | 42450811 |
11 | 21a64a17 |
12 | 12272537 |
13 | 8a44230 |
14 | 58d05ab |
15 | 3ad8041 |
hex | 287bf7b |
42450811 has 8 divisors (see below), whose sum is σ = 47191424. Its totient is φ = 37920960.
The previous prime is 42450797. The next prime is 42450817. The reversal of 42450811 is 11805424.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42450811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42450817) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52266 + ... + 53071.
It is an arithmetic number, because the mean of its divisors is an integer number (5898928).
Almost surely, 242450811 is an apocalyptic number.
42450811 is a deficient number, since it is larger than the sum of its proper divisors (4740613).
42450811 is a wasteful number, since it uses less digits than its factorization.
42450811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105381.
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 42450811 is about 6515.4286888892. The cubic root of 42450811 is about 348.8419165662.
The spelling of 42450811 in words is "forty-two million, four hundred fifty thousand, eight hundred eleven".
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