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11490530 = 251149053
BaseRepresentation
bin101011110101…
…010011100010
3210121210001012
4223311103202
510420144110
61050140522
7166445042
oct53652342
923553035
1011490530
116539007
123a21742
1324c413c
141751722
15101e905
hexaf54e2

11490530 has 8 divisors (see below), whose sum is σ = 20682972. Its totient is φ = 4596208.

The previous prime is 11490527. The next prime is 11490539. The reversal of 11490530 is 3509411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10004569 + 1485961 = 3163^2 + 1219^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11490496 and 11490505.

It is not an unprimeable number, because it can be changed into a prime (11490539) by changing a digit.

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, 574517 + ... + 574536.

Almost surely, 211490530 is an apocalyptic number.

11490530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11490530 is a deficient number, since it is larger than the sum of its proper divisors (9192442).

11490530 is a wasteful number, since it uses less digits than its factorization.

11490530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149060.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11490530 is about 3389.7684286688. The cubic root of 11490530 is about 225.6558968388.

Adding to 11490530 its reverse (3509411), we get a palindrome (14999941).

The spelling of 11490530 in words is "eleven million, four hundred ninety thousand, five hundred thirty".

Divisors: 1 2 5 10 1149053 2298106 5745265 11490530