Base | Representation |
---|---|
bin | 10100001100001… |
… | …10000011001001 |
3 | 102210200212200121 |
4 | 22012012003021 |
5 | 321324313201 |
6 | 24450103241 |
7 | 4124422336 |
oct | 1206060311 |
9 | 383625617 |
10 | 169369801 |
11 | 87672047 |
12 | 4887ab21 |
13 | 29121523 |
14 | 186cb98d |
15 | ed089a1 |
hex | a1860c9 |
169369801 has 4 divisors (see below), whose sum is σ = 171014272. Its totient is φ = 167725332.
The previous prime is 169369799. The next prime is 169369841. The reversal of 169369801 is 108963961.
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: 108963961 = 73 ⋅1492657.
It is a cyclic number.
It is not a de Polignac number, because 169369801 - 21 = 169369799 is a prime.
It is a super-2 number, since 2×1693698012 = 57372258981559202, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (169369841) 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, 822081 + ... + 822286.
It is an arithmetic number, because the mean of its divisors is an integer number (42753568).
Almost surely, 2169369801 is an apocalyptic number.
It is an amenable number.
169369801 is a deficient number, since it is larger than the sum of its proper divisors (1644471).
169369801 is a wasteful number, since it uses less digits than its factorization.
169369801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1644470.
The product of its (nonzero) digits is 69984, while the sum is 43.
The square root of 169369801 is about 13014.2153432314. The cubic root of 169369801 is about 553.2804511888.
The spelling of 169369801 in words is "one hundred sixty-nine million, three hundred sixty-nine thousand, eight hundred one".
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