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11990933 = 172233163
BaseRepresentation
bin101101101111…
…011110010101
3211120012110122
4231233132111
511032202213
61105001325
7203630663
oct55573625
924505418
1011990933
11684aa69
124023245
13263ab36
141841c33
1510bcd08
hexb6f795

11990933 has 8 divisors (see below), whose sum is σ = 12757248. Its totient is φ = 11231424.

The previous prime is 11990921. The next prime is 11990939. The reversal of 11990933 is 33909911.

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 11990933 - 28 = 11990677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11990893 and 11990902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990939) 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, 2210 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (1594656).

Almost surely, 211990933 is an apocalyptic number.

It is an amenable number.

11990933 is a deficient number, since it is larger than the sum of its proper divisors (766315).

11990933 is a wasteful number, since it uses less digits than its factorization.

11990933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 11990933 is about 3462.7926591120. The cubic root of 11990933 is about 228.8851721816.

The spelling of 11990933 in words is "eleven million, nine hundred ninety thousand, nine hundred thirty-three".

Divisors: 1 17 223 3163 3791 53771 705349 11990933