Search a number
-
+
3206412021 = 31938155147
BaseRepresentation
bin1011111100011101…
…1111011011110101
322021110102121101210
42333013133123311
523031320141041
61250100312033
7142313024001
oct27707373365
98243377353
103206412021
1113a5a3289a
127559a2619
133c13a5227
14225bb7701
1513b768016
hexbf1df6f5

3206412021 has 8 divisors (see below), whose sum is σ = 4275514144. Its totient is φ = 2137458960.

The previous prime is 3206412019. The next prime is 3206412047. The reversal of 3206412021 is 1202146023.

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

It is not a de Polignac number, because 3206412021 - 21 = 3206412019 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 (3206412071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30570 + ... + 85716.

It is an arithmetic number, because the mean of its divisors is an integer number (534439268).

Almost surely, 23206412021 is an apocalyptic number.

It is an amenable number.

3206412021 is a deficient number, since it is larger than the sum of its proper divisors (1069102123).

3206412021 is a wasteful number, since it uses less digits than its factorization.

3206412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74531.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3206412021 is about 56625.1889268371. The cubic root of 3206412021 is about 1474.5961964243.

Adding to 3206412021 its reverse (1202146023), we get a palindrome (4408558044).

The spelling of 3206412021 in words is "three billion, two hundred six million, four hundred twelve thousand, twenty-one".

Divisors: 1 3 19381 55147 58143 165441 1068804007 3206412021