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11980194 = 232386813
BaseRepresentation
bin101101101100…
…110110100010
3211112122201220
4231230312202
511031331234
61104435510
7203554452
oct55546642
924478656
1011980194
116842996
124018b96
132635c95
14183bd62
1510b9a49
hexb6cda2

11980194 has 16 divisors (see below), whose sum is σ = 25002432. Its totient is φ = 3819728.

The previous prime is 11980183. The next prime is 11980207. The reversal of 11980194 is 49108911.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43269 + ... + 43544.

It is an arithmetic number, because the mean of its divisors is an integer number (1562652).

Almost surely, 211980194 is an apocalyptic number.

11980194 is an abundant number, since it is smaller than the sum of its proper divisors (13022238).

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

11980194 is a wasteful number, since it uses less digits than its factorization.

11980194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86841.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 11980194 is about 3461.2416847137. The cubic root of 11980194 is about 228.8168224260.

The spelling of 11980194 in words is "eleven million, nine hundred eighty thousand, one hundred ninety-four".

Divisors: 1 2 3 6 23 46 69 138 86813 173626 260439 520878 1996699 3993398 5990097 11980194