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11148605 = 513171517
BaseRepresentation
bin101010100001…
…110100111101
3202222102000022
4222201310331
510323223410
61034541525
7163522136
oct52416475
922872008
1011148605
116325126
1238978a5
132404610
1416a2c8d
15ea3455
hexaa1d3d

11148605 has 8 divisors (see below), whose sum is σ = 14407512. Its totient is φ = 8232768.

The previous prime is 11148593. The next prime is 11148619. The reversal of 11148605 is 50684111.

It can be written as a sum of positive squares in 4 ways, for example, as 2493241 + 8655364 = 1579^2 + 2942^2 .

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 11148605 - 24 = 11148589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 85694 + ... + 85823.

It is an arithmetic number, because the mean of its divisors is an integer number (1800939).

Almost surely, 211148605 is an apocalyptic number.

It is an amenable number.

11148605 is a deficient number, since it is larger than the sum of its proper divisors (3258907).

11148605 is a wasteful number, since it uses less digits than its factorization.

11148605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171535.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11148605 is about 3338.9526801079. The cubic root of 11148605 is about 223.3950313436.

The spelling of 11148605 in words is "eleven million, one hundred forty-eight thousand, six hundred five".

Divisors: 1 5 13 65 171517 857585 2229721 11148605