Base | Representation |
---|---|
bin | 1010001111001… |
… | …1011011110110 |
3 | 2222210120210221 |
4 | 2203303123312 |
5 | 41443041100 |
6 | 4132204554 |
7 | 1030661641 |
oct | 243633366 |
9 | 88716727 |
10 | 42940150 |
11 | 22269630 |
12 | 1246975a |
13 | 8b85b96 |
14 | 59baa58 |
15 | 3b8301a |
hex | 28f36f6 |
42940150 has 48 divisors (see below), whose sum is σ = 88105968. Its totient is φ = 15440000.
The previous prime is 42940111. The next prime is 42940153. The reversal of 42940150 is 5104924.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42940153) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55164 + ... + 55936.
It is an arithmetic number, because the mean of its divisors is an integer number (1835541).
Almost surely, 242940150 is an apocalyptic number.
42940150 is an abundant number, since it is smaller than the sum of its proper divisors (45165818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42940150 is a wasteful number, since it uses less digits than its factorization.
42940150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897 (or 892 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 42940150 is about 6552.8734155331. The cubic root of 42940150 is about 350.1771891935.
The spelling of 42940150 in words is "forty-two million, nine hundred forty thousand, one hundred fifty".
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