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11481857 = 67409419
BaseRepresentation
bin101011110011…
…001100000001
3210121100010222
4223303030001
510414404412
61050032425
7166410542
oct53631401
923540128
1011481857
116532542
123a18715
1324c01ca
14174c4c9
15101c072
hexaf3301

11481857 has 8 divisors (see below), whose sum is σ = 11709600. Its totient is φ = 11255904.

The previous prime is 11481839. The next prime is 11481859. The reversal of 11481857 is 75818411.

11481857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11481857 - 212 = 11477761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11481859) 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 7 ways as a sum of consecutive naturals, for example, 27194 + ... + 27612.

It is an arithmetic number, because the mean of its divisors is an integer number (1463700).

Almost surely, 211481857 is an apocalyptic number.

It is an amenable number.

11481857 is a deficient number, since it is larger than the sum of its proper divisors (227743).

11481857 is an equidigital number, since it uses as much as digits as its factorization.

11481857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its digits is 8960, while the sum is 35.

The square root of 11481857 is about 3388.4888962486. The cubic root of 11481857 is about 225.5991078654.

The spelling of 11481857 in words is "eleven million, four hundred eighty-one thousand, eight hundred fifty-seven".

Divisors: 1 67 409 419 27403 28073 171371 11481857