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3144232220 = 225346945319
BaseRepresentation
bin1011101101101001…
…0010110100011100
322010010102112202012
42323122102310130
522414410412340
61235555450352
7140626350533
oct27332226434
98103375665
103144232220
111373923228
12738bb69b8
133b154404c
1421b82d31a
15136084565
hexbb692d1c

3144232220 has 24 divisors (see below), whose sum is σ = 6604936800. Its totient is φ = 1257302592.

The previous prime is 3144232219. The next prime is 3144232237. The reversal of 3144232220 is 222324413.

It is a super-2 number, since 2×31442322202 = 19772392506572256800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 46721 + ... + 92039.

It is an arithmetic number, because the mean of its divisors is an integer number (275205700).

Almost surely, 23144232220 is an apocalyptic number.

It is an amenable number.

3144232220 is an abundant number, since it is smaller than the sum of its proper divisors (3460704580).

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

3144232220 is a wasteful number, since it uses less digits than its factorization.

3144232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48797 (or 48795 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3144232220 is about 56073.4537905416. The cubic root of 3144232220 is about 1465.0019561452.

Adding to 3144232220 its reverse (222324413), we get a palindrome (3366556633).

The spelling of 3144232220 in words is "three billion, one hundred forty-four million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3469 6938 13876 17345 34690 45319 69380 90638 181276 226595 453190 906380 157211611 314423222 628846444 786058055 1572116110 3144232220