Base | Representation |
---|---|
bin | 10100100110010… |
… | …01111000111001 |
3 | 110001010210222121 |
4 | 22103021320321 |
5 | 323213342101 |
6 | 25051321241 |
7 | 4165501564 |
oct | 1223117071 |
9 | 401123877 |
10 | 172793401 |
11 | 895a0270 |
12 | 49a50221 |
13 | 29a4c921 |
14 | 18d3d4db |
15 | 102830a1 |
hex | a4c9e39 |
172793401 has 4 divisors (see below), whose sum is σ = 188501904. Its totient is φ = 157084900.
The previous prime is 172793371. The next prime is 172793443. The reversal of 172793401 is 104397271.
172793401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104397271 = 11 ⋅9490661.
It is a cyclic number.
It is not a de Polignac number, because 172793401 - 213 = 172785209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (172733401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7854235 + ... + 7854256.
It is an arithmetic number, because the mean of its divisors is an integer number (47125476).
Almost surely, 2172793401 is an apocalyptic number.
172793401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
172793401 is a deficient number, since it is larger than the sum of its proper divisors (15708503).
172793401 is a wasteful number, since it uses less digits than its factorization.
172793401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15708502.
The product of its (nonzero) digits is 10584, while the sum is 34.
The square root of 172793401 is about 13145.0903762584. The cubic root of 172793401 is about 556.9835697014.
The spelling of 172793401 in words is "one hundred seventy-two million, seven hundred ninety-three thousand, four hundred one".
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