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11272134 = 231878689
BaseRepresentation
bin101010111111…
…111111000110
3210012200110110
4222333333012
510341202014
61041333450
7164545236
oct52777706
923180413
1011272134
1163a9a15
123937286
132448903
1416d5cc6
15ec9d59
hexabffc6

11272134 has 8 divisors (see below), whose sum is σ = 22544280. Its totient is φ = 3757376.

The previous prime is 11272123. The next prime is 11272169. The reversal of 11272134 is 43127211.

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

11272134 is an admirable number.

It is a super-2 number, since 2×112721342 = 254122009827912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11272134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939339 + ... + 939350.

It is an arithmetic number, because the mean of its divisors is an integer number (2818035).

Almost surely, 211272134 is an apocalyptic number.

11272134 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.

11272134 is a wasteful number, since it uses less digits than its factorization.

11272134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878694.

The product of its digits is 336, while the sum is 21.

The square root of 11272134 is about 3357.3998868172. The cubic root of 11272134 is about 224.2170913008.

Adding to 11272134 its reverse (43127211), we get a palindrome (54399345).

The spelling of 11272134 in words is "eleven million, two hundred seventy-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 1878689 3757378 5636067 11272134