Base | Representation |
---|---|
bin | 10101100011001… |
… | …01011001100001 |
3 | 110121011002101001 |
4 | 22301211121201 |
5 | 332234123101 |
6 | 25534312001 |
7 | 4323344260 |
oct | 1261453141 |
9 | 417132331 |
10 | 180770401 |
11 | 93049529 |
12 | 50658601 |
13 | 2b5b3746 |
14 | 1a0185d7 |
15 | 10d0b901 |
hex | ac65661 |
180770401 has 16 divisors (see below), whose sum is σ = 220807296. Its totient is φ = 144458496.
The previous prime is 180770371. The next prime is 180770441. The reversal of 180770401 is 104077081.
It is not a de Polignac number, because 180770401 - 27 = 180770273 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 180770401.
It is not an unprimeable number, because it can be changed into a prime (180770441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5635 + ... + 19831.
It is an arithmetic number, because the mean of its divisors is an integer number (13800456).
Almost surely, 2180770401 is an apocalyptic number.
It is an amenable number.
180770401 is a deficient number, since it is larger than the sum of its proper divisors (40036895).
180770401 is a wasteful number, since it uses less digits than its factorization.
180770401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14328.
The product of its (nonzero) digits is 1568, while the sum is 28.
The square root of 180770401 is about 13445.0883596948. The cubic root of 180770401 is about 565.4259987185.
The spelling of 180770401 in words is "one hundred eighty million, seven hundred seventy thousand, four hundred one".
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