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11320530 = 2351329027
BaseRepresentation
bin101011001011…
…110011010010
3210022010211220
4223023303102
510344224110
61042345510
7165136314
oct53136322
923263756
1011320530
116432311
12395b296
132464950
1417097b4
15ed9370
hexacbcd2

11320530 has 32 divisors (see below), whose sum is σ = 29260224. Its totient is φ = 2786496.

The previous prime is 11320511. The next prime is 11320537. The reversal of 11320530 is 3502311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11320537) 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 15 ways as a sum of consecutive naturals, for example, 14124 + ... + 14903.

It is an arithmetic number, because the mean of its divisors is an integer number (914382).

Almost surely, 211320530 is an apocalyptic number.

11320530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11320530 is an abundant number, since it is smaller than the sum of its proper divisors (17939694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11320530 is a wasteful number, since it uses less digits than its factorization.

11320530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29050.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 11320530 is about 3364.5995304048. The cubic root of 11320530 is about 224.5375191715.

Adding to 11320530 its reverse (3502311), we get a palindrome (14822841).

The spelling of 11320530 in words is "eleven million, three hundred twenty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 29027 58054 87081 145135 174162 290270 377351 435405 754702 870810 1132053 1886755 2264106 3773510 5660265 11320530