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4031493 = 329149311
BaseRepresentation
bin1111011000010000000101
321120211011120
433120100011
52013001433
6222224153
746160424
oct17302005
97524146
104031493
112303a14
121425059
13ab1ccb
1476d2bb
155497b3
hex3d8405

4031493 has 16 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 2569280.

The previous prime is 4031491. The next prime is 4031497. The reversal of 4031493 is 3941304.

It is a cyclic number.

It is not a de Polignac number, because 4031493 - 21 = 4031491 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12808 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 24031493 is an apocalyptic number.

It is an amenable number.

4031493 is a deficient number, since it is larger than the sum of its proper divisors (1584507).

4031493 is a wasteful number, since it uses less digits than its factorization.

4031493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 4031493 is about 2007.8578136910. The cubic root of 4031493 is about 159.1556167994.

Adding to 4031493 its reverse (3941304), we get a palindrome (7972797).

The spelling of 4031493 in words is "four million, thirty-one thousand, four hundred ninety-three".

Divisors: 1 3 29 87 149 311 447 933 4321 9019 12963 27057 46339 139017 1343831 4031493