Search a number
-
+
3331746421 = 31311345581
BaseRepresentation
bin1100011010010110…
…0110101001110101
322121012021020212121
43012211212221311
523310411341141
61310334515541
7145364243263
oct30645465165
98535236777
103331746421
11145a758443
1278b965bb1
134113491b3
142386c1433
151477741d1
hexc6966a75

3331746421 has 8 divisors (see below), whose sum is σ = 3450290688. Its totient is φ = 3213894000.

The previous prime is 3331746401. The next prime is 3331746433. The reversal of 3331746421 is 1246471333.

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

It is not a de Polignac number, because 3331746421 - 215 = 3331713653 is a prime.

It is a super-2 number, since 2×33317464212 = 22201068427692618482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331746401) 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, 163150 + ... + 182431.

It is an arithmetic number, because the mean of its divisors is an integer number (431286336).

Almost surely, 23331746421 is an apocalyptic number.

3331746421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3331746421 is a deficient number, since it is larger than the sum of its proper divisors (118544267).

3331746421 is a wasteful number, since it uses less digits than its factorization.

3331746421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345923.

The product of its digits is 36288, while the sum is 34.

The square root of 3331746421 is about 57721.2822189528. The cubic root of 3331746421 is about 1493.5644913421.

The spelling of 3331746421 in words is "three billion, three hundred thirty-one million, seven hundred forty-six thousand, four hundred twenty-one".

Divisors: 1 31 311 9641 345581 10713011 107475691 3331746421