Base | Representation |
---|---|
bin | 1010001110100… |
… | …1110110000000 |
3 | 2222201120220220 |
4 | 2203221312000 |
5 | 41440311424 |
6 | 4131303040 |
7 | 1030436256 |
oct | 243516600 |
9 | 88646826 |
10 | 42900864 |
11 | 22242066 |
12 | 1244aa80 |
13 | 8b71036 |
14 | 59aa5d6 |
15 | 3b76579 |
hex | 28e9d80 |
42900864 has 32 divisors (see below), whose sum is σ = 113956440. Its totient is φ = 14300160.
The previous prime is 42900863. The next prime is 42900959. The reversal of 42900864 is 46800924.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42900863) 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 3 ways as a sum of consecutive naturals, for example, 55477 + ... + 56244.
Almost surely, 242900864 is an apocalyptic number.
It is an amenable number.
42900864 is an abundant number, since it is smaller than the sum of its proper divisors (71055576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42900864 is a wasteful number, since it uses less digits than its factorization.
42900864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111738 (or 111726 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 42900864 is about 6549.8751133132. The cubic root of 42900864 is about 350.0703640843.
The spelling of 42900864 in words is "forty-two million, nine hundred thousand, eight hundred sixty-four".
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