Base | Representation |
---|---|
bin | 111110100001… |
… | …011001000101 |
3 | 1010211200102222 |
4 | 332201121011 |
5 | 13143432301 |
6 | 1343142125 |
7 | 256211246 |
oct | 76413105 |
9 | 33750388 |
10 | 16389701 |
11 | 9284909 |
12 | 55a4945 |
13 | 351b063 |
14 | 2268ccd |
15 | 168b31b |
hex | fa1645 |
16389701 has 4 divisors (see below), whose sum is σ = 16494252. Its totient is φ = 16285152.
The previous prime is 16389689. The next prime is 16389707. The reversal of 16389701 is 10798361.
16389701 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.
It can be written as a sum of positive squares in 2 ways, for example, as 12285025 + 4104676 = 3505^2 + 2026^2 .
It is a cyclic number.
It is not a de Polignac number, because 16389701 - 214 = 16373317 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16389707) 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, 52040 + ... + 52353.
It is an arithmetic number, because the mean of its divisors is an integer number (4123563).
Almost surely, 216389701 is an apocalyptic number.
It is an amenable number.
16389701 is a deficient number, since it is larger than the sum of its proper divisors (104551).
16389701 is a wasteful number, since it uses less digits than its factorization.
16389701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104550.
The product of its (nonzero) digits is 9072, while the sum is 35.
The square root of 16389701 is about 4048.4195681772. The cubic root of 16389701 is about 254.0136237965.
The spelling of 16389701 in words is "sixteen million, three hundred eighty-nine thousand, seven hundred one".
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