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11481493 = 149251307
BaseRepresentation
bin101011110011…
…000110010101
3210121022122111
4223303012111
510414401433
61050031021
7166406512
oct53630625
923538574
1011481493
116532241
123a18471
1324bccaa
14174c309
15101bdcd
hexaf3195

11481493 has 8 divisors (see below), whose sum is σ = 11642400. Its totient is φ = 11322000.

The previous prime is 11481487. The next prime is 11481497. The reversal of 11481493 is 39418411.

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 11481493 - 25 = 11481461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481497) 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 7 ways as a sum of consecutive naturals, for example, 37246 + ... + 37552.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 211481493 is an apocalyptic number.

It is an amenable number.

11481493 is a deficient number, since it is larger than the sum of its proper divisors (160907).

11481493 is a wasteful number, since it uses less digits than its factorization.

11481493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its digits is 3456, while the sum is 31.

The square root of 11481493 is about 3388.4351845653. The cubic root of 11481493 is about 225.5967238450.

The spelling of 11481493 in words is "eleven million, four hundred eighty-one thousand, four hundred ninety-three".

Divisors: 1 149 251 307 37399 45743 77057 11481493