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11400065 = 52399131
BaseRepresentation
bin101011011111…
…001110000001
3210110011221122
4223133032001
510404300230
61044202025
7165620225
oct53371601
923404848
1011400065
116487046
123999315
132491c01
14172a785
151002be5
hexadf381

11400065 has 8 divisors (see below), whose sum is σ = 14275008. Its totient is φ = 8723440.

The previous prime is 11400043. The next prime is 11400071. The reversal of 11400065 is 56000411.

It is a happy number.

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

It is not a de Polignac number, because 11400065 - 218 = 11137921 is a prime.

It is a super-2 number, since 2×114000652 = 259922964008450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49451 + ... + 49680.

It is an arithmetic number, because the mean of its divisors is an integer number (1784376).

Almost surely, 211400065 is an apocalyptic number.

It is an amenable number.

11400065 is a deficient number, since it is larger than the sum of its proper divisors (2874943).

11400065 is an equidigital number, since it uses as much as digits as its factorization.

11400065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99159.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11400065 is about 3376.3982288824. The cubic root of 11400065 is about 225.0621392158.

Adding to 11400065 its reverse (56000411), we get a palindrome (67400476).

The spelling of 11400065 in words is "eleven million, four hundred thousand, sixty-five".

Divisors: 1 5 23 115 99131 495655 2280013 11400065