Base | Representation |
---|---|
bin | 1010100000011… |
… | …11001100010001 |
3 | 20010212002221002 |
4 | 11100033030101 |
5 | 140031030414 |
6 | 12425111345 |
7 | 2120125352 |
oct | 520171421 |
9 | 203762832 |
10 | 88142609 |
11 | 45832935 |
12 | 25628555 |
13 | 153516b9 |
14 | b9c5d29 |
15 | 7b114de |
hex | 540f311 |
88142609 has 8 divisors (see below), whose sum is σ = 89709312. Its totient is φ = 86585760.
The previous prime is 88142581. The next prime is 88142611. The reversal of 88142609 is 90624188.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-88142609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88142669) 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 7 ways as a sum of consecutive naturals, for example, 16904 + ... + 21494.
It is an arithmetic number, because the mean of its divisors is an integer number (11213664).
Almost surely, 288142609 is an apocalyptic number.
It is an amenable number.
88142609 is a deficient number, since it is larger than the sum of its proper divisors (1566703).
88142609 is a wasteful number, since it uses less digits than its factorization.
88142609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4927.
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 88142609 is about 9388.4295278816. The cubic root of 88142609 is about 445.0361608455.
The spelling of 88142609 in words is "eighty-eight million, one hundred forty-two thousand, six hundred nine".
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