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10013993 = 112339581
BaseRepresentation
bin100110001100…
…110100101001
3200211202121122
4212030310221
510030421433
6554345025
7151055213
oct46146451
920752548
1010013993
11571a730
12342b175
1320c8052
1414895b3
15d2c198
hex98cd29

10013993 has 8 divisors (see below), whose sum is σ = 11399616. Its totient is φ = 8707600.

The previous prime is 10013981. The next prime is 10014031. The reversal of 10013993 is 39931001.

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

It is not a de Polignac number, because 10013993 - 212 = 10009897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10013933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19538 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (1424952).

Almost surely, 210013993 is an apocalyptic number.

It is an amenable number.

10013993 is a deficient number, since it is larger than the sum of its proper divisors (1385623).

10013993 is a wasteful number, since it uses less digits than its factorization.

10013993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39615.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 10013993 is about 3164.4893742909. The cubic root of 10013993 is about 215.5439121831.

Adding to 10013993 its reverse (39931001), we get a palindrome (49944994).

It can be divided in two parts, 1001 and 3993, that multiplied together give a palindrome (3996993).

The spelling of 10013993 in words is "ten million, thirteen thousand, nine hundred ninety-three".

Divisors: 1 11 23 253 39581 435391 910363 10013993