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11992137 = 34578747
BaseRepresentation
bin101101101111…
…110001001001
3211120021010020
4231233301021
511032222022
61105011053
7203634333
oct55576111
924507106
1011992137
116850963
124023a89
13263b551
141842453
1510bd35c
hexb6fc49

11992137 has 8 divisors (see below), whose sum is σ = 16026336. Its totient is φ = 7976352.

The previous prime is 11992117. The next prime is 11992139. The reversal of 11992137 is 73129911.

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

It is not a de Polignac number, because 11992137 - 211 = 11990089 is a prime.

It is a super-2 number, since 2×119921372 = 287622699653538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11992098 and 11992107.

It is not an unprimeable number, because it can be changed into a prime (11992139) 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, 3003 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (2003292).

Almost surely, 211992137 is an apocalyptic number.

It is an amenable number.

11992137 is a deficient number, since it is larger than the sum of its proper divisors (4034199).

11992137 is an equidigital number, since it uses as much as digits as its factorization.

11992137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207.

The product of its digits is 3402, while the sum is 33.

The square root of 11992137 is about 3462.9665028700. The cubic root of 11992137 is about 228.8928326509.

The spelling of 11992137 in words is "eleven million, nine hundred ninety-two thousand, one hundred thirty-seven".

Divisors: 1 3 457 1371 8747 26241 3997379 11992137