Search a number
-
+
331873249 = 2112396581
BaseRepresentation
bin10011110001111…
…111101111100001
3212010110220111211
4103301333233201
51134424420444
652533110121
711136606331
oct2361775741
9763426454
10331873249
11160374314
1293188341
13539aa606
143210d0c1
151e207c34
hex13c7fbe1

331873249 has 8 divisors (see below), whose sum is σ = 334892160. Its totient is φ = 328868400.

The previous prime is 331873237. The next prime is 331873271. The reversal of 331873249 is 942378133.

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 331873249 - 213 = 331865057 is a prime.

It is a super-2 number, since 2×3318732492 = 220279706803632002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331873349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47139 + ... + 53719.

It is an arithmetic number, because the mean of its divisors is an integer number (41861520).

Almost surely, 2331873249 is an apocalyptic number.

It is an amenable number.

331873249 is a deficient number, since it is larger than the sum of its proper divisors (3018911).

331873249 is a wasteful number, since it uses less digits than its factorization.

331873249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031.

The product of its digits is 108864, while the sum is 40.

The square root of 331873249 is about 18217.3886438205. The cubic root of 331873249 is about 692.3474266694.

It can be divided in two parts, 3318 and 73249, that added together give a palindrome (76567).

The spelling of 331873249 in words is "three hundred thirty-one million, eight hundred seventy-three thousand, two hundred forty-nine".

Divisors: 1 211 239 6581 50429 1388591 1572859 331873249