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2440031 = 11297649
BaseRepresentation
bin1001010011101101011111
311120222002112
421103231133
51111040111
6124144235
726511536
oct11235537
94528075
102440031
111417260
1299807b
13675809
1447731d
15332e8b
hex253b5f

2440031 has 8 divisors (see below), whose sum is σ = 2754000. Its totient is φ = 2141440.

The previous prime is 2440021. The next prime is 2440043. The reversal of 2440031 is 1300442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2440031 is a prime.

It is a super-2 number, since 2×24400312 = 11907502561922, 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 = 2439988 and 2440015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3506 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (344250).

22440031 is an apocalyptic number.

2440031 is a deficient number, since it is larger than the sum of its proper divisors (313969).

2440031 is a wasteful number, since it uses less digits than its factorization.

2440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2440031 is about 1562.0598580080. The cubic root of 2440031 is about 134.6268800816.

Adding to 2440031 its reverse (1300442), we get a palindrome (3740473).

The spelling of 2440031 in words is "two million, four hundred forty thousand, thirty-one".

Divisors: 1 11 29 319 7649 84139 221821 2440031