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11987914 = 247731747
BaseRepresentation
bin101101101110…
…101111001010
3211120001022211
4231232233022
511032103124
61104535334
7203616121
oct55565712
924501284
1011987914
116848774
12402154a
132639653
141840ab8
1510bbe94
hexb6ebca

11987914 has 16 divisors (see below), whose sum is σ = 18626688. Its totient is φ = 5782752.

The previous prime is 11987909. The next prime is 11987923. The reversal of 11987914 is 41978911.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5989 + ... + 7735.

It is an arithmetic number, because the mean of its divisors is an integer number (1164168).

Almost surely, 211987914 is an apocalyptic number.

11987914 is a deficient number, since it is larger than the sum of its proper divisors (6638774).

11987914 is a wasteful number, since it uses less digits than its factorization.

11987914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its digits is 18144, while the sum is 40.

The square root of 11987914 is about 3462.3567118366. The cubic root of 11987914 is about 228.8659614903.

The spelling of 11987914 in words is "eleven million, nine hundred eighty-seven thousand, nine hundred fourteen".

Divisors: 1 2 47 73 94 146 1747 3431 3494 6862 82109 127531 164218 255062 5993957 11987914