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11890122 = 231981687
BaseRepresentation
bin101101010110…
…110111001010
3211101002011220
4231112313022
511020440442
61102502510
7203031036
oct55266712
924332156
1011890122
116791252
123b94a36
132603c9a
1418171c6
15109ceec
hexb56dca

11890122 has 8 divisors (see below), whose sum is σ = 23780256. Its totient is φ = 3963372.

The previous prime is 11890091. The next prime is 11890127. The reversal of 11890122 is 22109811.

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

11890122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11890092 and 11890101.

It is not an unprimeable number, because it can be changed into a prime (11890127) 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, 990838 + ... + 990849.

It is an arithmetic number, because the mean of its divisors is an integer number (2972532).

Almost surely, 211890122 is an apocalyptic number.

11890122 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.

11890122 is a wasteful number, since it uses less digits than its factorization.

11890122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981692.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11890122 is about 3448.2056203191. The cubic root of 11890122 is about 228.2419330961.

Adding to 11890122 its reverse (22109811), we get a palindrome (33999933).

The spelling of 11890122 in words is "eleven million, eight hundred ninety thousand, one hundred twenty-two".

Divisors: 1 2 3 6 1981687 3963374 5945061 11890122