Search a number
-
+
3309427861 = 97277123169
BaseRepresentation
bin1100010101000001…
…1101110010010101
322112122021100120021
43011100131302111
523234203142421
61304220305141
7145003446505
oct30520356225
98478240507
103309427861
1114490a4153
127843a21b1
1340983364c
14235751a05
15145816341
hexc541dc95

3309427861 has 8 divisors (see below), whose sum is σ = 3355643480. Its totient is φ = 3263459328.

The previous prime is 3309427853. The next prime is 3309427867. The reversal of 3309427861 is 1687249033.

It can be written as a sum of positive squares in 4 ways, for example, as 348979761 + 2960448100 = 18681^2 + 54410^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3309427861 - 23 = 3309427853 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 (3309427867) 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, 34716 + ... + 88453.

It is an arithmetic number, because the mean of its divisors is an integer number (419455435).

Almost surely, 23309427861 is an apocalyptic number.

It is an amenable number.

3309427861 is a deficient number, since it is larger than the sum of its proper divisors (46215619).

3309427861 is a wasteful number, since it uses less digits than its factorization.

3309427861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123543.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 3309427861 is about 57527.6269369770. The cubic root of 3309427861 is about 1490.2220081188. Note that the first 3 decimals are identical.

The spelling of 3309427861 in words is "three billion, three hundred nine million, four hundred twenty-seven thousand, eight hundred sixty-one".

Divisors: 1 97 277 26869 123169 11947393 34117813 3309427861