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11298287 = 7111311287
BaseRepresentation
bin101011000110…
…010111101111
3210021000100002
4223012113233
510343021122
61042054515
7165014420
oct53062757
923230302
1011298287
116417630
12394a43b
1324577a0
141701647
15ed2992
hexac65ef

11298287 has 16 divisors (see below), whose sum is σ = 15171072. Its totient is φ = 8125920.

The previous prime is 11298233. The next prime is 11298289. The reversal of 11298287 is 78289211.

It is not a de Polignac number, because 11298287 - 28 = 11298031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11298287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11298289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4643 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (948192).

Almost surely, 211298287 is an apocalyptic number.

11298287 is a deficient number, since it is larger than the sum of its proper divisors (3872785).

11298287 is a wasteful number, since it uses less digits than its factorization.

11298287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318.

The product of its digits is 16128, while the sum is 38.

The square root of 11298287 is about 3361.2924597541. The cubic root of 11298287 is about 224.3903628497.

The spelling of 11298287 in words is "eleven million, two hundred ninety-eight thousand, two hundred eighty-seven".

Divisors: 1 7 11 13 77 91 143 1001 11287 79009 124157 146731 869099 1027117 1614041 11298287