Search a number
-
+
11992101 = 311363397
BaseRepresentation
bin101101101111…
…110000100101
3211120021001220
4231233300211
511032221401
61105010553
7203634252
oct55576045
924507056
1011992101
116850930
124023a59
13263b524
141842429
1510bd336
hexb6fc25

11992101 has 8 divisors (see below), whose sum is σ = 17443104. Its totient is φ = 7267920.

The previous prime is 11992069. The next prime is 11992111. The reversal of 11992101 is 10129911.

11992101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11992101 - 25 = 11992069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992111) 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, 181666 + ... + 181731.

It is an arithmetic number, because the mean of its divisors is an integer number (2180388).

Almost surely, 211992101 is an apocalyptic number.

11992101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11992101 is a deficient number, since it is larger than the sum of its proper divisors (5451003).

11992101 is a wasteful number, since it uses less digits than its factorization.

11992101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363411.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 11992101 is about 3462.9613050105. The cubic root of 11992101 is about 228.8926036078.

The spelling of 11992101 in words is "eleven million, nine hundred ninety-two thousand, one hundred one".

Divisors: 1 3 11 33 363397 1090191 3997367 11992101