Search a number
-
+
675831909 = 3862926107
BaseRepresentation
bin101000010010000…
…110000001100101
31202002200211002110
4220102012001211
52341003110114
6151021231233
722514322264
oct5022060145
91662624073
10675831909
11317542575
1216a402519
13aa029a4c
1465a865db
153e4eb759
hex28486065

675831909 has 8 divisors (see below), whose sum is σ = 901248160. Its totient is φ = 450485136.

The previous prime is 675831907. The next prime is 675831911. The reversal of 675831909 is 909138576.

It is an interprime number because it is at equal distance from previous prime (675831907) and next prime (675831911).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 675831909 - 21 = 675831907 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 (675831901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12834 + ... + 38940.

It is an arithmetic number, because the mean of its divisors is an integer number (112656020).

Almost surely, 2675831909 is an apocalyptic number.

It is an amenable number.

675831909 is a deficient number, since it is larger than the sum of its proper divisors (225416251).

675831909 is a wasteful number, since it uses less digits than its factorization.

675831909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34739.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 675831909 is about 25996.7672797985. The cubic root of 675831909 is about 877.5655463574.

The spelling of 675831909 in words is "six hundred seventy-five million, eight hundred thirty-one thousand, nine hundred nine".

Divisors: 1 3 8629 25887 26107 78321 225277303 675831909