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3140223 = 31767919
BaseRepresentation
bin1011111110101001111111
312220112120120
423332221333
51300441343
6151150023
735456112
oct13765177
95815516
103140223
111855329
121075313
1385c428
145ba579
15420683
hex2fea7f

3140223 has 16 divisors (see below), whose sum is σ = 4504320. Its totient is φ = 1938816.

The previous prime is 3140209. The next prime is 3140233. The reversal of 3140223 is 3220413.

It is not a de Polignac number, because 3140223 - 28 = 3139967 is a prime.

It is a super-2 number, since 2×31402232 = 19722000979458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140233) 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 15 ways as a sum of consecutive naturals, for example, 2958 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (281520).

Almost surely, 23140223 is an apocalyptic number.

3140223 is a deficient number, since it is larger than the sum of its proper divisors (1364097).

3140223 is a wasteful number, since it uses less digits than its factorization.

3140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3140223 is about 1772.0674366400. The cubic root of 3140223 is about 146.4379015159.

Adding to 3140223 its reverse (3220413), we get a palindrome (6360636).

The spelling of 3140223 in words is "three million, one hundred forty thousand, two hundred twenty-three".

Divisors: 1 3 17 51 67 201 919 1139 2757 3417 15623 46869 61573 184719 1046741 3140223