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331001214 = 2355166869
BaseRepresentation
bin10011101110101…
…010110101111110
3212001211121022020
4103232222311332
51134214014324
652502301010
711126315055
oct2356526576
9761747266
10331001214
1115a929125
1292a27766
135376370b
1431d6339c
151e0d4679
hex13baad7e

331001214 has 8 divisors (see below), whose sum is σ = 662002440. Its totient is φ = 110333736.

The previous prime is 331001207. The next prime is 331001233. The reversal of 331001214 is 412100133.

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

331001214 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 331001193 and 331001202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27583429 + ... + 27583440.

It is an arithmetic number, because the mean of its divisors is an integer number (82750305).

Almost surely, 2331001214 is an apocalyptic number.

331001214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331001214 is a wasteful number, since it uses less digits than its factorization.

331001214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55166874.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 331001214 is about 18193.4387623671. The cubic root of 331001214 is about 691.7404873517.

Adding to 331001214 its reverse (412100133), we get a palindrome (743101347).

The spelling of 331001214 in words is "three hundred thirty-one million, one thousand, two hundred fourteen".

Divisors: 1 2 3 6 55166869 110333738 165500607 331001214