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11921694 = 231986949
BaseRepresentation
bin101101011110…
…100100011110
3211102200111020
4231132210132
511022443234
61103305010
7203222061
oct55364436
924380436
1011921694
116802a44
123bab166
132615475
1418248d8
1510a7549
hexb5e91e

11921694 has 8 divisors (see below), whose sum is σ = 23843400. Its totient is φ = 3973896.

The previous prime is 11921687. The next prime is 11921699. The reversal of 11921694 is 49612911.

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

11921694 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11921699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993469 + ... + 993480.

It is an arithmetic number, because the mean of its divisors is an integer number (2980425).

Almost surely, 211921694 is an apocalyptic number.

11921694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11921694 is a wasteful number, since it uses less digits than its factorization.

11921694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986954.

The product of its digits is 3888, while the sum is 33.

The square root of 11921694 is about 3452.7806185740. The cubic root of 11921694 is about 228.4437725052.

The spelling of 11921694 in words is "eleven million, nine hundred twenty-one thousand, six hundred ninety-four".

Divisors: 1 2 3 6 1986949 3973898 5960847 11921694