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11966290 = 257224421
BaseRepresentation
bin101101101001…
…011101010010
3211111221122221
4231221131102
511030410130
61104251254
7203466100
oct55513522
924457587
1011966290
1168334a6
124010b2a
13262c85b
141836c70
1510b587a
hexb69752

11966290 has 24 divisors (see below), whose sum is σ = 25056972. Its totient is φ = 4102560.

The previous prime is 11966263. The next prime is 11966293. The reversal of 11966290 is 9266911.

It can be written as a sum of positive squares in 2 ways, for example, as 9616201 + 2350089 = 3101^2 + 1533^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11966293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11721 + ... + 12700.

Almost surely, 211966290 is an apocalyptic number.

11966290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11966290 is an abundant number, since it is smaller than the sum of its proper divisors (13090682).

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

11966290 is a wasteful number, since it uses less digits than its factorization.

11966290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24442 (or 24435 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 11966290 is about 3459.2325738522. The cubic root of 11966290 is about 228.7282679146.

The spelling of 11966290 in words is "eleven million, nine hundred sixty-six thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 24421 48842 122105 170947 244210 341894 854735 1196629 1709470 2393258 5983145 11966290