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11297769 = 372392251
BaseRepresentation
bin101011000110…
…001111101001
3210020222121220
4223012033221
510343012034
61042052253
7165013050
oct53061751
923228556
1011297769
1164171aa
12394a089
132457492
141701397
15ed2749
hexac63e9

11297769 has 16 divisors (see below), whose sum is σ = 17295360. Its totient is φ = 6426000.

The previous prime is 11297743. The next prime is 11297771. The reversal of 11297769 is 96779211.

It is a happy number.

It is not a de Polignac number, because 11297769 - 28 = 11297513 is a prime.

It is a super-2 number, since 2×112977692 = 255279168754722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11297769.

It is not an unprimeable number, because it can be changed into a prime (11297779) 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, 3894 + ... + 6144.

It is an arithmetic number, because the mean of its divisors is an integer number (1080960).

Almost surely, 211297769 is an apocalyptic number.

It is an amenable number.

11297769 is a deficient number, since it is larger than the sum of its proper divisors (5997591).

11297769 is a wasteful number, since it uses less digits than its factorization.

11297769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its digits is 47628, while the sum is 42.

The square root of 11297769 is about 3361.2154051771. The cubic root of 11297769 is about 224.3869335397.

The spelling of 11297769 in words is "eleven million, two hundred ninety-seven thousand, seven hundred sixty-nine".

Divisors: 1 3 7 21 239 717 1673 2251 5019 6753 15757 47271 537989 1613967 3765923 11297769