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11227380 = 2235187123
BaseRepresentation
bin101010110101…
…000011110100
3210010102001220
4222311003310
510333234010
61040350340
7164300613
oct52650364
923112056
1011227380
11637932a
1239153b0
132431428
1416c387a
15ebb970
hexab50f4

11227380 has 24 divisors (see below), whose sum is σ = 31436832. Its totient is φ = 2993952.

The previous prime is 11227369. The next prime is 11227387. The reversal of 11227380 is 8372211.

11227380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11227380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93502 + ... + 93621.

It is an arithmetic number, because the mean of its divisors is an integer number (1309868).

Almost surely, 211227380 is an apocalyptic number.

11227380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11227380 is an abundant number, since it is smaller than the sum of its proper divisors (20209452).

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

11227380 is a wasteful number, since it uses less digits than its factorization.

11227380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187135 (or 187133 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11227380 is about 3350.7282790462. The cubic root of 11227380 is about 223.9199597110.

Adding to 11227380 its reverse (8372211), we get a palindrome (19599591).

The spelling of 11227380 in words is "eleven million, two hundred twenty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 187123 374246 561369 748492 935615 1122738 1871230 2245476 2806845 3742460 5613690 11227380