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11491214 = 2723127281
BaseRepresentation
bin101011110101…
…011110001110
3210121210222112
4223311132032
510420204324
61050144022
7166450040
oct53653616
923553875
1011491214
116539579
123a22012
1324c4547
141751a90
15101ec0e
hexaf578e

11491214 has 32 divisors (see below), whose sum is σ = 20791296. Its totient is φ = 4656960.

The previous prime is 11491199. The next prime is 11491217. The reversal of 11491214 is 41219411.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 11491214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11491217) 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, 40754 + ... + 41034.

It is an arithmetic number, because the mean of its divisors is an integer number (649728).

Almost surely, 211491214 is an apocalyptic number.

11491214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11491214 is a deficient number, since it is larger than the sum of its proper divisors (9300082).

11491214 is a wasteful number, since it uses less digits than its factorization.

11491214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its digits is 288, while the sum is 23.

The square root of 11491214 is about 3389.8693190151. The cubic root of 11491214 is about 225.6603743105.

The spelling of 11491214 in words is "eleven million, four hundred ninety-one thousand, two hundred fourteen".

Divisors: 1 2 7 14 23 46 127 161 254 281 322 562 889 1778 1967 2921 3934 5842 6463 12926 20447 35687 40894 45241 71374 90482 249809 499618 820801 1641602 5745607 11491214