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11065985 = 57421751
BaseRepresentation
bin101010001101…
…101010000001
3202211012200022
4222031222001
510313102420
61033103225
7163026230
oct52155201
922735608
1011065985
116279047
123857b15
1323a5b28
141680b17
15e88c25
hexa8da81

11065985 has 16 divisors (see below), whose sum is σ = 15232512. Its totient is φ = 7560000.

The previous prime is 11065937. The next prime is 11065987. The reversal of 11065985 is 58956011.

It is not a de Polignac number, because 11065985 - 222 = 6871681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11065987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14360 + ... + 15110.

It is an arithmetic number, because the mean of its divisors is an integer number (952032).

Almost surely, 211065985 is an apocalyptic number.

It is an amenable number.

11065985 is a deficient number, since it is larger than the sum of its proper divisors (4166527).

11065985 is an equidigital number, since it uses as much as digits as its factorization.

11065985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11065985 is about 3326.5575299399. The cubic root of 11065985 is about 222.8418177488.

The spelling of 11065985 in words is "eleven million, sixty-five thousand, nine hundred eighty-five".

Divisors: 1 5 7 35 421 751 2105 2947 3755 5257 14735 26285 316171 1580855 2213197 11065985