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3230031 = 3734373
BaseRepresentation
bin1100010100100101001111
320002002202210
430110211033
51311330111
6153121503
736312000
oct14244517
96062683
103230031
111906852
1210b9293
1389127c
146011a7
1543c0a6
hex31494f

3230031 has 32 divisors (see below), whose sum is σ = 5209600. Its totient is φ = 1778112.

The previous prime is 3230023. The next prime is 3230039. The reversal of 3230031 is 1300323.

It is a happy number.

3230031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3230023) and next prime (3230039).

It is not a de Polignac number, because 3230031 - 23 = 3230023 is a prime.

It is a super-2 number, since 2×32300312 = 20866200521922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3229989 and 3230016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230039) 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 in 31 ways as a sum of consecutive naturals, for example, 44211 + ... + 44283.

It is an arithmetic number, because the mean of its divisors is an integer number (162800).

Almost surely, 23230031 is an apocalyptic number.

3230031 is a deficient number, since it is larger than the sum of its proper divisors (1979569).

3230031 is an equidigital number, since it uses as much as digits as its factorization.

3230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 3230031 is about 1797.2286999712. The cubic root of 3230031 is about 147.8208051583.

Adding to 3230031 its reverse (1300323), we get a palindrome (4530354).

The spelling of 3230031 in words is "three million, two hundred thirty thousand, thirty-one".

Divisors: 1 3 7 21 43 49 73 129 147 219 301 343 511 903 1029 1533 2107 3139 3577 6321 9417 10731 14749 21973 25039 44247 65919 75117 153811 461433 1076677 3230031