Base | Representation |
---|---|
bin | 10000111101000… |
… | …10111000100100 |
3 | 100220121202221002 |
4 | 20132202320210 |
5 | 242402144212 |
6 | 22040212432 |
7 | 3344614643 |
oct | 1036427044 |
9 | 326552832 |
10 | 142224932 |
11 | 73311773 |
12 | 3b76a118 |
13 | 23608c85 |
14 | 14c6335a |
15 | c745ac2 |
hex | 87a2e24 |
142224932 has 12 divisors (see below), whose sum is σ = 257476380. Its totient is φ = 68660256.
The previous prime is 142224911. The next prime is 142224947. The reversal of 142224932 is 239422241.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 105185536 + 37039396 = 10256^2 + 6086^2 .
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a junction number, because it is equal to n+sod(n) for n = 142224895 and 142224904.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612923 + ... + 613154.
It is an arithmetic number, because the mean of its divisors is an integer number (21456365).
Almost surely, 2142224932 is an apocalyptic number.
It is an amenable number.
142224932 is a deficient number, since it is larger than the sum of its proper divisors (115251448).
142224932 is a wasteful number, since it uses less digits than its factorization.
142224932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226110 (or 1226108 counting only the distinct ones).
The product of its digits is 6912, while the sum is 29.
The square root of 142224932 is about 11925.8094903449. The cubic root of 142224932 is about 521.9856672665.
The spelling of 142224932 in words is "one hundred forty-two million, two hundred twenty-four thousand, nine hundred thirty-two".
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