Base | Representation |
---|---|
bin | 10011000100011… |
… | …11110010000000 |
3 | 102011000102222200 |
4 | 21202033302000 |
5 | 311423104410 |
6 | 23512433200 |
7 | 3651513033 |
oct | 1142176200 |
9 | 364012880 |
10 | 159972480 |
11 | 82333768 |
12 | 456a8800 |
13 | 271b1095 |
14 | 1736301a |
15 | e09e3c0 |
hex | 988fc80 |
159972480 has 96 divisors (see below), whose sum is σ = 552424860. Its totient is φ = 42657792.
The previous prime is 159972451. The next prime is 159972487. The reversal of 159972480 is 84279951.
159972480 is a `hidden beast` number, since 15 + 99 + 72 + 480 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 159971904 + 576 = 12648^2 + 24^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (159972487) 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 11 ways as a sum of consecutive naturals, for example, 8127 + ... + 19646.
Almost surely, 2159972480 is an apocalyptic number.
159972480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
159972480 is an abundant number, since it is smaller than the sum of its proper divisors (392452380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159972480 is a wasteful number, since it uses less digits than its factorization.
159972480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27798 (or 27783 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The square root of 159972480 is about 12648.0227703780. The cubic root of 159972480 is about 542.8523962123.
The spelling of 159972480 in words is "one hundred fifty-nine million, nine hundred seventy-two thousand, four hundred eighty".
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