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11949190 = 2511234723
BaseRepresentation
bin101101100101…
…010010000110
3211111002012121
4231211102012
511024333230
61104040154
7203365201
oct55452206
924432177
1011949190
116821670
12400305a
132624b36
141830938
1510b077a
hexb65486

11949190 has 32 divisors (see below), whose sum is σ = 24489216. Its totient is φ = 4155360.

The previous prime is 11949173. The next prime is 11949191. The reversal of 11949190 is 9194911.

It is a happy number.

It is a super-2 number, since 2×119491902 = 285566283312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (765288).

Almost surely, 211949190 is an apocalyptic number.

11949190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11949190 is an abundant number, since it is smaller than the sum of its proper divisors (12540026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11949190 is a wasteful number, since it uses less digits than its factorization.

11949190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 11949190 is about 3456.7600437404. The cubic root of 11949190 is about 228.6192639838.

The spelling of 11949190 in words is "eleven million, nine hundred forty-nine thousand, one hundred ninety".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 4723 9446 23615 47230 51953 103906 108629 217258 259765 519530 543145 1086290 1194919 2389838 5974595 11949190