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11990308 = 2211272507
BaseRepresentation
bin101101101111…
…010100100100
3211120011121111
4231233110210
511032142213
61104554404
7203626111
oct55572444
924504544
1011990308
11684a550
124022a04
13263a775
141841908
1510bca3d
hexb6f524

11990308 has 12 divisors (see below), whose sum is σ = 22890672. Its totient is φ = 5450120.

The previous prime is 11990281. The next prime is 11990339. The reversal of 11990308 is 80309911.

It is a self number, because there is not a number n which added to its sum of digits gives 11990308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 136210 + ... + 136297.

It is an arithmetic number, because the mean of its divisors is an integer number (1907556).

Almost surely, 211990308 is an apocalyptic number.

It is an amenable number.

11990308 is a deficient number, since it is larger than the sum of its proper divisors (10900364).

11990308 is a wasteful number, since it uses less digits than its factorization.

11990308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272522 (or 272520 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11990308 is about 3462.7024128562. The cubic root of 11990308 is about 228.8811954069.

The spelling of 11990308 in words is "eleven million, nine hundred ninety thousand, three hundred eight".

Divisors: 1 2 4 11 22 44 272507 545014 1090028 2997577 5995154 11990308