Search a number
-
+
340810869 = 3731523519
BaseRepresentation
bin10100010100000…
…101110001110101
3212202021222121210
4110110011301311
51144221421434
653452432033
711305562460
oct2424056165
9782258553
10340810869
11165419283
1296178619
13557b9749
14333982d7
151edc0ee9
hex14505c75

340810869 has 16 divisors (see below), whose sum is σ = 536084480. Its totient is φ = 188466480.

The previous prime is 340810801. The next prime is 340810889. The reversal of 340810869 is 968018043.

It is not a de Polignac number, because 340810869 - 27 = 340810741 is a prime.

It is a super-2 number, since 2×3408108692 = 232304096857070322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340810889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261109 + ... + 262410.

It is an arithmetic number, because the mean of its divisors is an integer number (33505280).

Almost surely, 2340810869 is an apocalyptic number.

It is an amenable number.

340810869 is a deficient number, since it is larger than the sum of its proper divisors (195273611).

340810869 is a wasteful number, since it uses less digits than its factorization.

340810869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523560.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 340810869 is about 18461.0635934119. The cubic root of 340810869 is about 698.5076157697.

The spelling of 340810869 in words is "three hundred forty million, eight hundred ten thousand, eight hundred sixty-nine".

Divisors: 1 3 7 21 31 93 217 651 523519 1570557 3664633 10993899 16229089 48687267 113603623 340810869