Base | Representation |
---|---|
bin | 10000111101001… |
… | …00110011101110 |
3 | 100220122011202000 |
4 | 20132210303232 |
5 | 242402422224 |
6 | 22040313130 |
7 | 3344646633 |
oct | 1036446356 |
9 | 326564660 |
10 | 142232814 |
11 | 73317689 |
12 | 3b7727a6 |
13 | 2360c739 |
14 | 14c6618a |
15 | c7480c9 |
hex | 87a4cee |
142232814 has 32 divisors (see below), whose sum is σ = 322043040. Its totient is φ = 46515456.
The previous prime is 142232747. The next prime is 142232819. The reversal of 142232814 is 418232241.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142232819) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21987 + ... + 27710.
It is an arithmetic number, because the mean of its divisors is an integer number (10063845).
Almost surely, 2142232814 is an apocalyptic number.
142232814 is an abundant number, since it is smaller than the sum of its proper divisors (179810226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142232814 is a wasteful number, since it uses less digits than its factorization.
142232814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49761 (or 49755 counting only the distinct ones).
The product of its digits is 3072, while the sum is 27.
The square root of 142232814 is about 11926.1399455146. The cubic root of 142232814 is about 521.9953097742.
The spelling of 142232814 in words is "one hundred forty-two million, two hundred thirty-two thousand, eight hundred fourteen".
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