Base | Representation |
---|---|
bin | 10100100111011… |
… | …11110101000001 |
3 | 110001102201011011 |
4 | 22103233311001 |
5 | 323233330201 |
6 | 25054520521 |
7 | 4200016624 |
oct | 1223576501 |
9 | 401381134 |
10 | 172948801 |
11 | 89696aa3 |
12 | 49b06141 |
13 | 29aa558c |
14 | 18d7ddbb |
15 | 102b4151 |
hex | a4efd41 |
172948801 has 3 divisors (see below), whose sum is σ = 172961953. Its totient is φ = 172935650.
The previous prime is 172948771. The next prime is 172948807. The reversal of 172948801 is 108849271.
It is a happy number.
The square root of 172948801 is 13151.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 172948801 - 29 = 172948289 is a prime.
It is a super-2 number, since 2×1729488012 = 59822575534675202, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (172948807) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6576 + ... + 19726.
Almost surely, 2172948801 is an apocalyptic number.
172948801 is the 13151-st square number.
172948801 is the 6576-th centered octagonal number.
It is an amenable number.
172948801 is a deficient number, since it is larger than the sum of its proper divisors (13152).
172948801 is an frugal number, since it uses more digits than its factorization.
172948801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26302 (or 13151 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 40.
The cubic root of 172948801 is about 557.1504921874.
The spelling of 172948801 in words is "one hundred seventy-two million, nine hundred forty-eight thousand, eight hundred one".
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