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4007393 = 131718133
BaseRepresentation
bin1111010010010111100001
321112121002222
433102113201
52011214033
6221520425
746030235
oct17222741
97477088
104007393
1122978a5
121413115
13aa4050
147645c5
15542598
hex3d25e1

4007393 has 8 divisors (see below), whose sum is σ = 4569768. Its totient is φ = 3481344.

The previous prime is 4007369. The next prime is 4007407. The reversal of 4007393 is 3937004.

It can be written as a sum of positive squares in 4 ways, for example, as 351649 + 3655744 = 593^2 + 1912^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4007393 - 212 = 4003297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4007363) 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, 8846 + ... + 9287.

It is an arithmetic number, because the mean of its divisors is an integer number (571221).

Almost surely, 24007393 is an apocalyptic number.

It is an amenable number.

4007393 is a deficient number, since it is larger than the sum of its proper divisors (562375).

4007393 is a wasteful number, since it uses less digits than its factorization.

4007393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18163.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 4007393 is about 2001.8473967813. The cubic root of 4007393 is about 158.8378421406.

It can be divided in two parts, 4007 and 393, that multiplied together give a palindrome (1574751).

The spelling of 4007393 in words is "four million, seven thousand, three hundred ninety-three".

Divisors: 1 13 17 221 18133 235729 308261 4007393