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11913393 = 331532417
BaseRepresentation
bin101101011100…
…100010110001
3211102021002210
4231130202301
511022212033
61103202333
7203155632
oct55344261
924367083
1011913393
1167a7788
123ba63a9
13261175b
141821889
1510a4d63
hexb5c8b1

11913393 has 16 divisors (see below), whose sum is σ = 16713216. Its totient is φ = 7537920.

The previous prime is 11913389. The next prime is 11913401. The reversal of 11913393 is 39331911.

It is a happy number.

11913393 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11913393 - 22 = 11913389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11913393.

It is not an unprimeable number, because it can be changed into a prime (11913313) 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, 3721 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (1044576).

Almost surely, 211913393 is an apocalyptic number.

It is an amenable number.

11913393 is a deficient number, since it is larger than the sum of its proper divisors (4799823).

11913393 is a wasteful number, since it uses less digits than its factorization.

11913393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504.

The product of its digits is 2187, while the sum is 30.

The square root of 11913393 is about 3451.5783346174. The cubic root of 11913393 is about 228.3907388771.

The spelling of 11913393 in words is "eleven million, nine hundred thirteen thousand, three hundred ninety-three".

Divisors: 1 3 31 53 93 159 1643 2417 4929 7251 74927 128101 224781 384303 3971131 11913393