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3405342245 = 5681068449
BaseRepresentation
bin1100101011111001…
…0110011000100101
322210022202022100212
43022332112120211
523433231422440
61321524145205
7150246634334
oct31276263045
98708668325
103405342245
111498255038
127b0538205
13423676616
1424439bd1b
1514de60465
hexcaf96625

3405342245 has 4 divisors (see below), whose sum is σ = 4086410700. Its totient is φ = 2724273792.

The previous prime is 3405342221. The next prime is 3405342251. The reversal of 3405342245 is 5422435043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5422435043 = 21432530301.

It can be written as a sum of positive squares in 2 ways, for example, as 2503301089 + 902041156 = 50033^2 + 30034^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405342245 - 212 = 3405338149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 340534220 + ... + 340534229.

It is an arithmetic number, because the mean of its divisors is an integer number (1021602675).

Almost surely, 23405342245 is an apocalyptic number.

It is an amenable number.

3405342245 is a deficient number, since it is larger than the sum of its proper divisors (681068455).

3405342245 is an equidigital number, since it uses as much as digits as its factorization.

3405342245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681068454.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 3405342245 is about 58355.3103410478. The cubic root of 3405342245 is about 1504.4817433885.

Adding to 3405342245 its reverse (5422435043), we get a palindrome (8827777288).

The spelling of 3405342245 in words is "three billion, four hundred five million, three hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 681068449 3405342245