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3243988 = 221173727
BaseRepresentation
bin1100010111111111010100
320002210220201
430113333110
51312301423
6153310244
736400456
oct14277724
96083821
103243988
111916290
121105384
13897727
146062d6
154412ad
hex317fd4

3243988 has 12 divisors (see below), whose sum is σ = 6193152. Its totient is φ = 1474520.

The previous prime is 3243983. The next prime is 3244001. The reversal of 3243988 is 8893423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36820 + ... + 36907.

It is an arithmetic number, because the mean of its divisors is an integer number (516096).

Almost surely, 23243988 is an apocalyptic number.

It is an amenable number.

3243988 is a deficient number, since it is larger than the sum of its proper divisors (2949164).

3243988 is a wasteful number, since it uses less digits than its factorization.

3243988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73742 (or 73740 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 3243988 is about 1801.1074371064. The cubic root of 3243988 is about 148.0334110106.

The spelling of 3243988 in words is "three million, two hundred forty-three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 73727 147454 294908 810997 1621994 3243988