Base | Representation |
---|---|
bin | 10100100001110… |
… | …01000111111001 |
3 | 110000000200121010 |
4 | 22100321013321 |
5 | 323040403231 |
6 | 25030504133 |
7 | 4160452050 |
oct | 1220710771 |
9 | 400020533 |
10 | 172200441 |
11 | 89225816 |
12 | 49805049 |
13 | 298a2a6a |
14 | 18c27397 |
15 | 101b7546 |
hex | a4391f9 |
172200441 has 16 divisors (see below), whose sum is σ = 262750208. Its totient is φ = 98269200.
The previous prime is 172200407. The next prime is 172200461. The reversal of 172200441 is 144002271.
It is a happy number.
172200441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 172200441 - 211 = 172198393 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (172200461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11976 + ... + 22086.
It is an arithmetic number, because the mean of its divisors is an integer number (16421888).
Almost surely, 2172200441 is an apocalyptic number.
It is an amenable number.
172200441 is a deficient number, since it is larger than the sum of its proper divisors (90549767).
172200441 is a wasteful number, since it uses less digits than its factorization.
172200441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10932.
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 172200441 is about 13122.5165650496. The cubic root of 172200441 is about 556.3457222634.
The spelling of 172200441 in words is "one hundred seventy-two million, two hundred thousand, four hundred forty-one".
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