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5231144 = 23653893
BaseRepresentation
bin10011111101001000101000
3100211202210002
4103331020220
52314344034
6304042132
762315102
oct23751050
910752702
105231144
112a53266
121903348
131112069
149a2572
156d4e7e
hex4fd228

5231144 has 8 divisors (see below), whose sum is σ = 9808410. Its totient is φ = 2615568.

The previous prime is 5231141. The next prime is 5231173. The reversal of 5231144 is 4411325.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 1350244 = 1970^2 + 1162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5231141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326939 + ... + 326954.

Almost surely, 25231144 is an apocalyptic number.

It is an amenable number.

5231144 is a deficient number, since it is larger than the sum of its proper divisors (4577266).

5231144 is a wasteful number, since it uses less digits than its factorization.

5231144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653899 (or 653895 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 5231144 is about 2287.1694296663. The cubic root of 5231144 is about 173.5930065776.

Adding to 5231144 its reverse (4411325), we get a palindrome (9642469).

The spelling of 5231144 in words is "five million, two hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 653893 1307786 2615572 5231144