Search a number
-
+
11638030 = 251724027
BaseRepresentation
bin101100011001…
…010100001110
3210220021101011
4230121110032
510434404110
61053235434
7200631055
oct54312416
923807334
1011638030
116629908
123a92b7a
132546311
14178d39c
15104d48a
hexb1950e

11638030 has 24 divisors (see below), whose sum is σ = 22258728. Its totient is φ = 4380288.

The previous prime is 11638027. The next prime is 11638031. The reversal of 11638030 is 3083611.

It is a junction number, because it is equal to n+sod(n) for n = 11637992 and 11638010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (927447).

Almost surely, 211638030 is an apocalyptic number.

11638030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11638030 is a deficient number, since it is larger than the sum of its proper divisors (10620698).

11638030 is a wasteful number, since it uses less digits than its factorization.

11638030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11638030 is about 3411.4557010168. The cubic root of 11638030 is about 226.6173503821.

The spelling of 11638030 in words is "eleven million, six hundred thirty-eight thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 4027 8054 20135 40270 68459 136918 342295 684590 1163803 2327606 5819015 11638030