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11923992 = 2332165611
BaseRepresentation
bin101101011111…
…001000011000
3211102210122100
4231133020120
511023031432
61103323400
7203231553
oct55371030
924383570
1011923992
116804743
123bb0560
132616522
14182569a
1510a807c
hexb5f218

11923992 has 24 divisors (see below), whose sum is σ = 32294340. Its totient is φ = 3974640.

The previous prime is 11923981. The next prime is 11923997. The reversal of 11923992 is 29932911.

It is a happy number.

11923992 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82734 + ... + 82877.

Almost surely, 211923992 is an apocalyptic number.

11923992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11923992 is an abundant number, since it is smaller than the sum of its proper divisors (20370348).

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

11923992 is a wasteful number, since it uses less digits than its factorization.

11923992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165623 (or 165616 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 11923992 is about 3453.1133778085. The cubic root of 11923992 is about 228.4584496716.

It can be divided in two parts, 1192 and 3992, that added together give a square (5184 = 722).

The spelling of 11923992 in words is "eleven million, nine hundred twenty-three thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 165611 331222 496833 662444 993666 1324888 1490499 1987332 2980998 3974664 5961996 11923992