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11288745 = 3251323839
BaseRepresentation
bin101011000100…
…000010101001
3210020112020200
4223010002221
510342214440
61041542413
7164644536
oct53040251
923215220
1011288745
116410446
123944a09
132453340
1416dbd8d
15ecec30
hexac40a9

11288745 has 48 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 5309568.

The previous prime is 11288741. The next prime is 11288773. The reversal of 11288745 is 54788211.

It is not a de Polignac number, because 11288745 - 22 = 11288741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11288741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13036 + ... + 13874.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 211288745 is an apocalyptic number.

11288745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11288745 is a deficient number, since it is larger than the sum of its proper divisors (10725975).

11288745 is a wasteful number, since it uses less digits than its factorization.

11288745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 883 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11288745 is about 3359.8727654481. The cubic root of 11288745 is about 224.3271752210.

The spelling of 11288745 in words is "eleven million, two hundred eighty-eight thousand, seven hundred forty-five".

Divisors: 1 3 5 9 13 15 23 39 45 65 69 115 117 195 207 299 345 585 839 897 1035 1495 2517 2691 4195 4485 7551 10907 12585 13455 19297 32721 37755 54535 57891 96485 98163 163605 173673 250861 289455 490815 752583 868365 1254305 2257749 3762915 11288745