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11968190 = 2513432141
BaseRepresentation
bin101101101001…
…111010111110
3211112001021022
4231221322332
511030440230
61104304142
7203504453
oct55517276
924461238
1011968190
116834973
124012052
132630690
14183782a
1510b61e5
hexb69ebe

11968190 has 32 divisors (see below), whose sum is σ = 23750496. Its totient is φ = 4314240.

The previous prime is 11968189. The next prime is 11968193. The reversal of 11968190 is 9186911.

It is a super-2 number, since 2×119681902 = 286475143752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11968190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968193) 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, 4520 + ... + 6660.

It is an arithmetic number, because the mean of its divisors is an integer number (742203).

Almost surely, 211968190 is an apocalyptic number.

11968190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11968190 is a deficient number, since it is larger than the sum of its proper divisors (11782306).

11968190 is a wasteful number, since it uses less digits than its factorization.

11968190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 11968190 is about 3459.5071903380. The cubic root of 11968190 is about 228.7403730508.

The spelling of 11968190 in words is "eleven million, nine hundred sixty-eight thousand, one hundred ninety".

Divisors: 1 2 5 10 13 26 43 65 86 130 215 430 559 1118 2141 2795 4282 5590 10705 21410 27833 55666 92063 139165 184126 278330 460315 920630 1196819 2393638 5984095 11968190