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11971308 = 223997609
BaseRepresentation
bin101101101010…
…101011101100
3211112012112210
4231222223230
511031040213
61104330420
7203516526
oct55525354
924465483
1011971308
116837248
124013a10
132631c1b
141838a16
1510b70c3
hexb6aaec

11971308 has 12 divisors (see below), whose sum is σ = 27933080. Its totient is φ = 3990432.

The previous prime is 11971261. The next prime is 11971321. The reversal of 11971308 is 80317911.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498793 + ... + 498816.

Almost surely, 211971308 is an apocalyptic number.

It is an amenable number.

11971308 is an abundant number, since it is smaller than the sum of its proper divisors (15961772).

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

11971308 is a wasteful number, since it uses less digits than its factorization.

11971308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997616 (or 997614 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11971308 is about 3459.9578032109. The cubic root of 11971308 is about 228.7602354404.

The spelling of 11971308 in words is "eleven million, nine hundred seventy-one thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 997609 1995218 2992827 3990436 5985654 11971308