Base | Representation |
---|---|
bin | 10000111110000… |
… | …10100010001100 |
3 | 100220212100202120 |
4 | 20133002202030 |
5 | 242420321242 |
6 | 22043052540 |
7 | 3345664623 |
oct | 1037024214 |
9 | 326770676 |
10 | 142354572 |
11 | 733a0108 |
12 | 3b811150 |
13 | 23652c99 |
14 | 14c986ba |
15 | c76e1ec |
hex | 87c288c |
142354572 has 12 divisors (see below), whose sum is σ = 332160696. Its totient is φ = 47451520.
The previous prime is 142354571. The next prime is 142354579. The reversal of 142354572 is 275453241.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (142354571) 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, 5931429 + ... + 5931452.
It is an arithmetic number, because the mean of its divisors is an integer number (27680058).
Almost surely, 2142354572 is an apocalyptic number.
142354572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142354572 is an abundant number, since it is smaller than the sum of its proper divisors (189806124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142354572 is a wasteful number, since it uses less digits than its factorization.
142354572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11862888 (or 11862886 counting only the distinct ones).
The product of its digits is 33600, while the sum is 33.
The square root of 142354572 is about 11931.2435227850. The cubic root of 142354572 is about 522.1442181632.
The spelling of 142354572 in words is "one hundred forty-two million, three hundred fifty-four thousand, five hundred seventy-two".
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