Search a number
-
+
3140245345 = 51409445741
BaseRepresentation
bin1011101100101100…
…0101011101100001
322002211220222210011
42323023011131201
522412400322340
61235334204521
7140550434146
oct27313053541
98084828704
103140245345
11137164a896
127377b3741
133b0779453
1421b0b23cd
15135a480ea
hexbb2c5761

3140245345 has 8 divisors (see below), whose sum is σ = 3770977320. Its totient is φ = 2510407680.

The previous prime is 3140245343. The next prime is 3140245351. The reversal of 3140245345 is 5435420413.

It can be written as a sum of positive squares in 4 ways, for example, as 5253264 + 3134992081 = 2292^2 + 55991^2 .

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

It is not a de Polignac number, because 3140245345 - 21 = 3140245343 is a prime.

It is a super-2 number, since 2×31402453452 = 19722281653588338050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3140245343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215826 + ... + 229915.

It is an arithmetic number, because the mean of its divisors is an integer number (471372165).

Almost surely, 23140245345 is an apocalyptic number.

It is an amenable number.

3140245345 is a deficient number, since it is larger than the sum of its proper divisors (630731975).

3140245345 is a wasteful number, since it uses less digits than its factorization.

3140245345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447155.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3140245345 is about 56037.8920463645. The cubic root of 3140245345 is about 1464.3824885294.

Adding to 3140245345 its reverse (5435420413), we get a palindrome (8575665758).

The spelling of 3140245345 in words is "three billion, one hundred forty million, two hundred forty-five thousand, three hundred forty-five".

Divisors: 1 5 1409 7045 445741 2228705 628049069 3140245345