Base | Representation |
---|---|
bin | 10101011111000… |
… | …00010010000000 |
3 | 110120010101102122 |
4 | 22233200102000 |
5 | 332114201102 |
6 | 25514503412 |
7 | 4315613522 |
oct | 1257402200 |
9 | 416111378 |
10 | 180225152 |
11 | 92806908 |
12 | 50434b68 |
13 | 2b452503 |
14 | 19d15a12 |
15 | 10c500a2 |
hex | abe0480 |
180225152 has 16 divisors (see below), whose sum is σ = 359042550. Its totient is φ = 90112512.
The previous prime is 180225131. The next prime is 180225181. The reversal of 180225152 is 251522081.
It can be written as a sum of positive squares in only one way, i.e., 130325056 + 49900096 = 11416^2 + 7064^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is a super-2 number, since 2×1802251522 = 64962210826846208, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703877 + ... + 704132.
Almost surely, 2180225152 is an apocalyptic number.
It is an amenable number.
180225152 is a deficient number, since it is larger than the sum of its proper divisors (178817398).
180225152 is an equidigital number, since it uses as much as digits as its factorization.
180225152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1408023 (or 1408011 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 26.
The square root of 180225152 is about 13424.7961623259. The cubic root of 180225152 is about 564.8569371774.
The spelling of 180225152 in words is "one hundred eighty million, two hundred twenty-five thousand, one hundred fifty-two".
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