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11980587 = 37950551
BaseRepresentation
bin101101101100…
…111100101011
3211112200021110
4231230330223
511031334322
61104441403
7203555553
oct55547453
924480243
1011980587
116843213
124019263
132636208
14183c163
1510b9c0c
hexb6cf2b

11980587 has 8 divisors (see below), whose sum is σ = 16176640. Its totient is φ = 7885800.

The previous prime is 11980559. The next prime is 11980589. The reversal of 11980587 is 78508911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11980587 - 26 = 11980523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11980589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25039 + ... + 25512.

It is an arithmetic number, because the mean of its divisors is an integer number (2022080).

Almost surely, 211980587 is an apocalyptic number.

11980587 is a deficient number, since it is larger than the sum of its proper divisors (4196053).

11980587 is an equidigital number, since it uses as much as digits as its factorization.

11980587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50633.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 11980587 is about 3461.2984557822. The cubic root of 11980587 is about 228.8193244453.

The spelling of 11980587 in words is "eleven million, nine hundred eighty thousand, five hundred eighty-seven".

Divisors: 1 3 79 237 50551 151653 3993529 11980587