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3131332 = 221746049
BaseRepresentation
bin1011111100011111000100
312220002101021
423330133010
51300200312
6151040524
735421151
oct13743704
95802337
103131332
111849686
121070144
13858379
145b7228
1541cc07
hex2fc7c4

3131332 has 12 divisors (see below), whose sum is σ = 5802300. Its totient is φ = 1473536.

The previous prime is 3131329. The next prime is 3131339. The reversal of 3131332 is 2331313.

Adding to 3131332 its reverse (2331313), we get a palindrome (5462645).

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 2143296 = 994^2 + 1464^2 .

It is not an unprimeable number, because it can be changed into a prime (3131339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22957 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (483525).

Almost surely, 23131332 is an apocalyptic number.

It is an amenable number.

3131332 is a deficient number, since it is larger than the sum of its proper divisors (2670968).

3131332 is a wasteful number, since it uses less digits than its factorization.

3131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46070 (or 46068 counting only the distinct ones).

The product of its digits is 162, while the sum is 16.

The square root of 3131332 is about 1769.5570067110. The cubic root of 3131332 is about 146.2995663196.

The spelling of 3131332 in words is "three million, one hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 46049 92098 184196 782833 1565666 3131332