Base | Representation |
---|---|
bin | 10101011110111… |
… | …01110010101100 |
3 | 110120002212110000 |
4 | 22233131302230 |
5 | 332113334311 |
6 | 25514344300 |
7 | 4315542015 |
oct | 1257356254 |
9 | 416085400 |
10 | 180214956 |
11 | 927aa189 |
12 | 5042b090 |
13 | 2b44a98c |
14 | 19d1200c |
15 | 10c4c056 |
hex | abddcac |
180214956 has 30 divisors (see below), whose sum is σ = 471118340. Its totient is φ = 60071544.
The previous prime is 180214949. The next prime is 180214963. The reversal of 180214956 is 659412081.
It is an interprime number because it is at equal distance from previous prime (180214949) and next prime (180214963).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 180214956.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 277786 + ... + 278433.
Almost surely, 2180214956 is an apocalyptic number.
It is an amenable number.
180214956 is an abundant number, since it is smaller than the sum of its proper divisors (290903384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180214956 is a wasteful number, since it uses less digits than its factorization.
180214956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556235 (or 556224 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 180214956 is about 13424.4164118966. The cubic root of 180214956 is about 564.8462849648.
The spelling of 180214956 in words is "one hundred eighty million, two hundred fourteen thousand, nine hundred fifty-six".
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