Base | Representation |
---|---|
bin | 1010001110001… |
… | …0000110110010 |
3 | 2222122222110001 |
4 | 2203202012302 |
5 | 41433303140 |
6 | 4130500214 |
7 | 1030245001 |
oct | 243420662 |
9 | 88588401 |
10 | 42869170 |
11 | 22220273 |
12 | 1243466a |
13 | 8b5c796 |
14 | 599cc38 |
15 | 3b6be9a |
hex | 28e21b2 |
42869170 has 32 divisors (see below), whose sum is σ = 79377408. Its totient is φ = 16661568.
The previous prime is 42869143. The next prime is 42869201. The reversal of 42869170 is 7196824.
42869170 is a nontrivial binomial coefficient, being equal to C(9260, 2).
It is a super-3 number, since 3×428691703 (a number of 24 digits) contains 333 as substring.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 92359 + ... + 92821.
It is an arithmetic number, because the mean of its divisors is an integer number (2480544).
Almost surely, 242869170 is an apocalyptic number.
42869170 is the 9259-th triangular number and also the 4630-th hexagonal number.
42869170 is the 3087-th centered nonagonal number.
42869170 is a deficient number, since it is larger than the sum of its proper divisors (36508238).
42869170 is a wasteful number, since it uses less digits than its factorization.
42869170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 714.
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 42869170 is about 6547.4552308511. The cubic root of 42869170 is about 349.9841353353.
It can be divided in two parts, 4286 and 9170, that added together give a square (13456 = 1162).
The spelling of 42869170 in words is "forty-two million, eight hundred sixty-nine thousand, one hundred seventy".
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