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11987108 = 2271725183
BaseRepresentation
bin101101101110…
…100010100100
3211120000012222
4231232202210
511032041413
61104531512
7203613560
oct55564244
924500188
1011987108
116848101
124020b98
132639183
1418406a0
1510bbb08
hexb6e8a4

11987108 has 24 divisors (see below), whose sum is σ = 25385472. Its totient is φ = 4834944.

The previous prime is 11987083. The next prime is 11987113. The reversal of 11987108 is 80178911.

11987108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12116 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (1057728).

Almost surely, 211987108 is an apocalyptic number.

It is an amenable number.

11987108 is an abundant number, since it is smaller than the sum of its proper divisors (13398364).

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

11987108 is a wasteful number, since it uses less digits than its factorization.

11987108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25211 (or 25209 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 11987108 is about 3462.2403151717. The cubic root of 11987108 is about 228.8608321548.

The spelling of 11987108 in words is "eleven million, nine hundred eighty-seven thousand, one hundred eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 25183 50366 100732 176281 352562 428111 705124 856222 1712444 2996777 5993554 11987108