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11930 = 251193
BaseRepresentation
bin10111010011010
3121100212
42322122
5340210
6131122
746532
oct27232
917325
1011930
118a66
126aa2
135579
1444c2
153805
hex2e9a

11930 has 8 divisors (see below), whose sum is σ = 21492. Its totient is φ = 4768.

The previous prime is 11927. The next prime is 11933. The reversal of 11930 is 3911.

It is an interprime number because it is at equal distance from previous prime (11927) and next prime (11933).

It can be written as a sum of positive squares in 2 ways, for example, as 11881 + 49 = 109^2 + 7^2 .

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

It is a magnanimous number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (11933) 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, 587 + ... + 606.

211930 is an apocalyptic number.

11930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11930 is a deficient number, since it is larger than the sum of its proper divisors (9562).

11930 is a wasteful number, since it uses less digits than its factorization.

11930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 11930 is about 109.2245393673. The cubic root of 11930 is about 22.8496813443.

It can be divided in two parts, 119 and 30, that multiplied together give a triangular number (3570 = T84).

The spelling of 11930 in words is "eleven thousand, nine hundred thirty".

Divisors: 1 2 5 10 1193 2386 5965 11930