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11814257 = 713196833
BaseRepresentation
bin101101000100…
…010101110001
3211020020010002
4231010111301
511011024012
61101115345
7202263620
oct55042561
924206102
1011814257
11673a254
123b58b55
1325a85b0
1417d76b7
1510857c2
hexb44571

11814257 has 16 divisors (see below), whose sum is σ = 15308160. Its totient is φ = 8854272.

The previous prime is 11814251. The next prime is 11814259. The reversal of 11814257 is 75241811.

It is not a de Polignac number, because 11814257 - 28 = 11814001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11814251) 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 15 ways as a sum of consecutive naturals, for example, 1688 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (956760).

Almost surely, 211814257 is an apocalyptic number.

It is an amenable number.

11814257 is a deficient number, since it is larger than the sum of its proper divisors (3493903).

11814257 is a wasteful number, since it uses less digits than its factorization.

11814257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872.

The product of its digits is 2240, while the sum is 29.

The square root of 11814257 is about 3437.1873676016. The cubic root of 11814257 is about 227.7554639432.

The spelling of 11814257 in words is "eleven million, eight hundred fourteen thousand, two hundred fifty-seven".

Divisors: 1 7 13 19 91 133 247 1729 6833 47831 88829 129827 621803 908789 1687751 11814257