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3128214 = 23521369
BaseRepresentation
bin1011111011101110010110
312212221002210
423323232112
51300100324
6151014250
735406105
oct13735626
95787083
103128214
111847301
12106a386
13856b1b
145b603c
1541bd29
hex2fbb96

3128214 has 8 divisors (see below), whose sum is σ = 6256440. Its totient is φ = 1042736.

The previous prime is 3128197. The next prime is 3128227. The reversal of 3128214 is 4128213.

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

3128214 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260679 + ... + 260690.

It is an arithmetic number, because the mean of its divisors is an integer number (782055).

Almost surely, 23128214 is an apocalyptic number.

3128214 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.

3128214 is a wasteful number, since it uses less digits than its factorization.

3128214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521374.

The product of its digits is 384, while the sum is 21.

The square root of 3128214 is about 1768.6757758278. The cubic root of 3128214 is about 146.2509913002.

Subtracting 3128214 from its reverse (4128213), we obtain a palindrome (999999).

The spelling of 3128214 in words is "three million, one hundred twenty-eight thousand, two hundred fourteen".

Divisors: 1 2 3 6 521369 1042738 1564107 3128214