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4038393 = 31970849
BaseRepresentation
bin1111011001111011111001
321121011122010
433121323321
52013212033
6222320133
746216512
oct17317371
97534563
104038393
112309117
121429049
13ab51a8
14771a09
1554b863
hex3d9ef9

4038393 has 8 divisors (see below), whose sum is σ = 5668000. Its totient is φ = 2550528.

The previous prime is 4038379. The next prime is 4038403. The reversal of 4038393 is 3938304.

It is a happy number.

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

It is not a de Polignac number, because 4038393 - 29 = 4037881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4038393.

It is not an unprimeable number, because it can be changed into a prime (4038323) 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, 35368 + ... + 35481.

It is an arithmetic number, because the mean of its divisors is an integer number (708500).

Almost surely, 24038393 is an apocalyptic number.

It is an amenable number.

4038393 is a deficient number, since it is larger than the sum of its proper divisors (1629607).

4038393 is a wasteful number, since it uses less digits than its factorization.

4038393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70871.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 4038393 is about 2009.5753282721. The cubic root of 4038393 is about 159.2463646385.

The spelling of 4038393 in words is "four million, thirty-eight thousand, three hundred ninety-three".

Divisors: 1 3 19 57 70849 212547 1346131 4038393