Base | Representation |
---|---|
bin | 111010111000… |
… | …000110011110 |
3 | 1002001010122220 |
4 | 322320012132 |
5 | 12422343032 |
6 | 1310450210 |
7 | 245121333 |
oct | 72700636 |
9 | 32033586 |
10 | 15434142 |
11 | 8791999 |
12 | 5203966 |
13 | 3275139 |
14 | 209a98a |
15 | 154d12c |
hex | eb819e |
15434142 has 32 divisors (see below), whose sum is σ = 31795200. Its totient is φ = 4992288.
The previous prime is 15434129. The next prime is 15434149. The reversal of 15434142 is 24143451.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15434149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64459 + ... + 64697.
It is an arithmetic number, because the mean of its divisors is an integer number (993600).
Almost surely, 215434142 is an apocalyptic number.
15434142 is an abundant number, since it is smaller than the sum of its proper divisors (16361058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15434142 is a wasteful number, since it uses less digits than its factorization.
15434142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520.
The product of its digits is 1920, while the sum is 24.
The square root of 15434142 is about 3928.6310592877. The cubic root of 15434142 is about 248.9779177527.
Adding to 15434142 its reverse (24143451), we get a palindrome (39577593).
It can be divided in two parts, 15434 and 142, that added together give a triangular number (15576 = T176).
The spelling of 15434142 in words is "fifteen million, four hundred thirty-four thousand, one hundred forty-two".
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