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10001393 = 22744059
BaseRepresentation
bin100110001001…
…101111110001
3200211010022222
4212021233301
510030021033
6554210425
7151003403
oct46115761
920733288
1010001393
115711216
123423a15
1320c23ac
141484b73
15d28598
hex989bf1

10001393 has 4 divisors (see below), whose sum is σ = 10045680. Its totient is φ = 9957108.

The previous prime is 10001363. The next prime is 10001399. The reversal of 10001393 is 39310001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10001393 - 220 = 8952817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21803 + ... + 22256.

It is an arithmetic number, because the mean of its divisors is an integer number (2511420).

Almost surely, 210001393 is an apocalyptic number.

It is an amenable number.

10001393 is a deficient number, since it is larger than the sum of its proper divisors (44287).

10001393 is an equidigital number, since it uses as much as digits as its factorization.

10001393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44286.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 10001393 is about 3162.4979051376. The cubic root of 10001393 is about 215.4534722971.

Adding to 10001393 its reverse (39310001), we get a palindrome (49311394).

It can be divided in two parts, 10001 and 393, that multiplied together give a palindrome (3930393).

The spelling of 10001393 in words is "ten million, one thousand, three hundred ninety-three".

Divisors: 1 227 44059 10001393