Base | Representation |
---|---|
bin | 10100100000110… |
… | …11110110001101 |
3 | 102222210121002210 |
4 | 22100123312031 |
5 | 323023034100 |
6 | 25024141033 |
7 | 4156442331 |
oct | 1220336615 |
9 | 388717083 |
10 | 172080525 |
11 | 89153711 |
12 | 49767779 |
13 | 298602c6 |
14 | 18bd57c1 |
15 | 10191c50 |
hex | a41bd8d |
172080525 has 24 divisors (see below), whose sum is σ = 292200544. Its totient is φ = 89294400.
The previous prime is 172080523. The next prime is 172080527. The reversal of 172080525 is 525080271.
172080525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (172080523) and next prime (172080527).
It is not a de Polignac number, because 172080525 - 21 = 172080523 is a prime.
It is a super-2 number, since 2×1720805252 = 59223414168551250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 172080492 and 172080501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (172080523) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28231 + ... + 33780.
Almost surely, 2172080525 is an apocalyptic number.
172080525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
172080525 is a deficient number, since it is larger than the sum of its proper divisors (120120019).
172080525 is a wasteful number, since it uses less digits than its factorization.
172080525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62061 (or 62056 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 30.
The square root of 172080525 is about 13117.9466762142. The cubic root of 172080525 is about 556.2165506124.
The spelling of 172080525 in words is "one hundred seventy-two million, eighty thousand, five hundred twenty-five".
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