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21714035 = 57620401
BaseRepresentation
bin101001011010…
…1010001110011
31111212012001112
41102311101303
521024322120
62053223535
7352365140
oct122652163
944765045
1021714035
1111291092
127331bab
134663655
142c533c7
151d8dbc5
hex14b5473

21714035 has 8 divisors (see below), whose sum is σ = 29779296. Its totient is φ = 14889600.

The previous prime is 21714031. The next prime is 21714041. The reversal of 21714035 is 53041712.

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

It is not a de Polignac number, because 21714035 - 22 = 21714031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21714035.

It is not an unprimeable number, because it can be changed into a prime (21714031) by changing a digit.

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, 310166 + ... + 310235.

It is an arithmetic number, because the mean of its divisors is an integer number (3722412).

Almost surely, 221714035 is an apocalyptic number.

21714035 is a deficient number, since it is larger than the sum of its proper divisors (8065261).

21714035 is an equidigital number, since it uses as much as digits as its factorization.

21714035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620413.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 21714035 is about 4659.8320785196. The cubic root of 21714035 is about 278.9845659769.

Adding to 21714035 its reverse (53041712), we get a palindrome (74755747).

The spelling of 21714035 in words is "twenty-one million, seven hundred fourteen thousand, thirty-five".

Divisors: 1 5 7 35 620401 3102005 4342807 21714035