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11268489 = 353131541
BaseRepresentation
bin101010111111…
…000110001001
3210012111110110
4222333012021
510341042424
61041304533
7164531511
oct52770611
923174413
1011268489
1163a7201
123935149
13244705b
1416d4841
15ec8c29
hexabf189

11268489 has 16 divisors (see below), whose sum is σ = 15453504. Its totient is φ = 7300800.

The previous prime is 11268479. The next prime is 11268493. The reversal of 11268489 is 98486211.

It is not a de Polignac number, because 11268489 - 25 = 11268457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11268419) 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 15 ways as a sum of consecutive naturals, for example, 20559 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (965844).

Almost surely, 211268489 is an apocalyptic number.

It is an amenable number.

11268489 is a deficient number, since it is larger than the sum of its proper divisors (4185015).

11268489 is a wasteful number, since it uses less digits than its factorization.

11268489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 27648, while the sum is 39.

The square root of 11268489 is about 3356.8570121469. The cubic root of 11268489 is about 224.1929207990.

The spelling of 11268489 in words is "eleven million, two hundred sixty-eight thousand, four hundred eighty-nine".

Divisors: 1 3 53 131 159 393 541 1623 6943 20829 28673 70871 86019 212613 3756163 11268489