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11663930 = 251166393
BaseRepresentation
bin101100011111…
…101000111010
3210221120220102
4230133220322
510441221210
61053555402
7201066425
oct54375072
923846812
1011663930
116647313
123aa5b62
132555045
1417989bc
151055ea5
hexb1fa3a

11663930 has 8 divisors (see below), whose sum is σ = 20995092. Its totient is φ = 4665568.

The previous prime is 11663923. The next prime is 11663933. The reversal of 11663930 is 3936611.

It can be written as a sum of positive squares in 2 ways, for example, as 11580409 + 83521 = 3403^2 + 289^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11663893 and 11663902.

It is not an unprimeable number, because it can be changed into a prime (11663933) 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, 583187 + ... + 583206.

Almost surely, 211663930 is an apocalyptic number.

11663930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11663930 is a deficient number, since it is larger than the sum of its proper divisors (9331162).

11663930 is a wasteful number, since it uses less digits than its factorization.

11663930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166400.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 11663930 is about 3415.2496248444. The cubic root of 11663930 is about 226.7853353049.

It can be divided in two parts, 116 and 63930, that added together give a palindrome (64046).

The spelling of 11663930 in words is "eleven million, six hundred sixty-three thousand, nine hundred thirty".

Divisors: 1 2 5 10 1166393 2332786 5831965 11663930