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11990386 = 26539181
BaseRepresentation
bin101101101111…
…010101110010
3211120011201101
4231233111302
511032143021
61104555014
7203626252
oct55572562
924504641
1011990386
11684a611
124022a6a
13263a805
141841962
1510bca91
hexb6f572

11990386 has 8 divisors (see below), whose sum is σ = 18015084. Its totient is φ = 5985360.

The previous prime is 11990371. The next prime is 11990401. The reversal of 11990386 is 68309911.

It is an interprime number because it is at equal distance from previous prime (11990371) and next prime (11990401).

It can be written as a sum of positive squares in 2 ways, for example, as 11937025 + 53361 = 3455^2 + 231^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285 + ... + 5896.

Almost surely, 211990386 is an apocalyptic number.

11990386 is a deficient number, since it is larger than the sum of its proper divisors (6024698).

11990386 is an equidigital number, since it uses as much as digits as its factorization.

11990386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11990386 is about 3462.7136757174. The cubic root of 11990386 is about 228.8816917159.

The spelling of 11990386 in words is "eleven million, nine hundred ninety thousand, three hundred eighty-six".

Divisors: 1 2 653 1306 9181 18362 5995193 11990386