Base | Representation |
---|---|
bin | 10111001100110… |
… | …011010001010101 |
3 | 1000010102000111221 |
4 | 113030303101111 |
5 | 1244120403301 |
6 | 102342330341 |
7 | 12434262205 |
oct | 2714632125 |
9 | 1003360457 |
10 | 389231701 |
11 | 18a7905a1 |
12 | aa4299b1 |
13 | 62841121 |
14 | 399a0405 |
15 | 24287da1 |
hex | 17333455 |
389231701 has 4 divisors (see below), whose sum is σ = 409717600. Its totient is φ = 368745804.
The previous prime is 389231683. The next prime is 389231729. The reversal of 389231701 is 107132983.
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.
It is a cyclic number.
It is not a de Polignac number, because 389231701 - 25 = 389231669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389231771) 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, 10242921 + ... + 10242958.
It is an arithmetic number, because the mean of its divisors is an integer number (102429400).
Almost surely, 2389231701 is an apocalyptic number.
It is an amenable number.
389231701 is a deficient number, since it is larger than the sum of its proper divisors (20485899).
389231701 is a wasteful number, since it uses less digits than its factorization.
389231701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20485898.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 389231701 is about 19728.9559024293. The cubic root of 389231701 is about 730.1342725426.
The spelling of 389231701 in words is "three hundred eighty-nine million, two hundred thirty-one thousand, seven hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •