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11480945 = 57246861
BaseRepresentation
bin101011110010…
…111101110001
3210121021220012
4223302331301
510414342240
61050024305
7166405100
oct53627561
923537805
1011480945
116531893
123a18095
1324bc978
14174c037
15101bb65
hexaf2f71

11480945 has 12 divisors (see below), whose sum is σ = 16026804. Its totient is φ = 7872480.

The previous prime is 11480941. The next prime is 11480981. The reversal of 11480945 is 54908411.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 7187761 = 2072^2 + 2681^2 .

It is not a de Polignac number, because 11480945 - 22 = 11480941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11480941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23186 + ... + 23675.

It is an arithmetic number, because the mean of its divisors is an integer number (1335567).

Almost surely, 211480945 is an apocalyptic number.

It is an amenable number.

11480945 is a deficient number, since it is larger than the sum of its proper divisors (4545859).

11480945 is an equidigital number, since it uses as much as digits as its factorization.

11480945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46880 (or 46873 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 11480945 is about 3388.3543203154. The cubic root of 11480945 is about 225.5931346204.

The spelling of 11480945 in words is "eleven million, four hundred eighty thousand, nine hundred forty-five".

Divisors: 1 5 7 35 49 245 46861 234305 328027 1640135 2296189 11480945