Base | Representation |
---|---|
bin | 10101100011111… |
… | …11111111101110 |
3 | 110121100121210220 |
4 | 22301333333232 |
5 | 332301114332 |
6 | 25540512210 |
7 | 4324310010 |
oct | 1261777756 |
9 | 417317726 |
10 | 180879342 |
11 | 93113366 |
12 | 506ab666 |
13 | 2b6211c7 |
14 | 1a0461b0 |
15 | 10d2dd2c |
hex | ac7ffee |
180879342 has 16 divisors (see below), whose sum is σ = 413438592. Its totient is φ = 51679800.
The previous prime is 180879329. The next prime is 180879353. The reversal of 180879342 is 243978081.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 4306651 = 180879342 / (1 + 8 + 0 + 8 + 7 + 9 + 3 + 4 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 180879294 and 180879303.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153284 + ... + 2153367.
It is an arithmetic number, because the mean of its divisors is an integer number (25839912).
Almost surely, 2180879342 is an apocalyptic number.
180879342 is an abundant number, since it is smaller than the sum of its proper divisors (232559250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180879342 is a wasteful number, since it uses less digits than its factorization.
180879342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4306663.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 180879342 is about 13449.1390802534. The cubic root of 180879342 is about 565.5395602742.
The spelling of 180879342 in words is "one hundred eighty million, eight hundred seventy-nine thousand, three hundred forty-two".
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