Search a number
-
+
3407345209 = 7829435221
BaseRepresentation
bin1100101100010111…
…1111011000111001
322210110112001220201
43023011333120321
523434240021314
61322035122201
7150302646022
oct31305773071
98713461821
103407345209
1114993a2984
127b1143361
13423bc81c8
1424475dc49
1514e208b74
hexcb17f639

3407345209 has 4 divisors (see below), whose sum is σ = 3407788260. Its totient is φ = 3406902160.

The previous prime is 3407345197. The next prime is 3407345213. The reversal of 3407345209 is 9025437043.

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 390260025 + 3017085184 = 19755^2 + 54928^2 .

It is a cyclic number.

It is not a de Polignac number, because 3407345209 - 25 = 3407345177 is a prime.

It is a super-2 number, since 2×34073452092 = 23220002746590507362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3407345269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209782 + ... + 225439.

It is an arithmetic number, because the mean of its divisors is an integer number (851947065).

Almost surely, 23407345209 is an apocalyptic number.

It is an amenable number.

3407345209 is a deficient number, since it is larger than the sum of its proper divisors (443051).

3407345209 is an equidigital number, since it uses as much as digits as its factorization.

3407345209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443050.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 3407345209 is about 58372.4696153932. The cubic root of 3407345209 is about 1504.7766557089.

The spelling of 3407345209 in words is "three billion, four hundred seven million, three hundred forty-five thousand, two hundred nine".

Divisors: 1 7829 435221 3407345209