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2243432 = 231931453
BaseRepresentation
bin1000100011101101101000
311012222102002
420203231220
51033242212
6120030132
725032422
oct10435550
94188362
102243432
1112a2584
12902348
13607199
14425812
152e4ac2
hex223b68

2243432 has 16 divisors (see below), whose sum is σ = 4231140. Its totient is φ = 1115136.

The previous prime is 2243431. The next prime is 2243453. The reversal of 2243432 is 2343422.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 70756 = 1474^2 + 266^2 .

It is a d-powerful number, because it can be written as 213 + 217 + 4 + 36 + 46 + 37 + 221 .

It is not an unprimeable number, because it can be changed into a prime (2243431) 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, 818 + ... + 2270.

22243432 is an apocalyptic number.

It is an amenable number.

2243432 is a deficient number, since it is larger than the sum of its proper divisors (1987708).

2243432 is a wasteful number, since it uses less digits than its factorization.

2243432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1648 counting only the distinct ones).

The product of its digits is 1152, while the sum is 20.

The square root of 2243432 is about 1497.8090666036. The cubic root of 2243432 is about 130.9094415208.

Adding to 2243432 its reverse (2343422), we get a palindrome (4586854).

The spelling of 2243432 in words is "two million, two hundred forty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 193 386 772 1453 1544 2906 5812 11624 280429 560858 1121716 2243432