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17014021 = 85719853
BaseRepresentation
bin100000011100…
…1110100000101
31012000101211221
41000321310011
513323422041
61404400341
7264421363
oct100716405
935011757
1017014021
119670982
1258460b1
1336a928b
14238c633
1517612d1
hex1039d05

17014021 has 4 divisors (see below), whose sum is σ = 17034732. Its totient is φ = 16993312.

The previous prime is 17014001. The next prime is 17014061. The reversal of 17014021 is 12041071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 7317025 = 3114^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 17014021 - 25 = 17013989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17013986 and 17014004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17014001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9070 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (4258683).

Almost surely, 217014021 is an apocalyptic number.

It is an amenable number.

17014021 is a deficient number, since it is larger than the sum of its proper divisors (20711).

17014021 is an equidigital number, since it uses as much as digits as its factorization.

17014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 17014021 is about 4124.8055711754. The cubic root of 17014021 is about 257.1988297173.

Adding to 17014021 its reverse (12041071), we get a palindrome (29055092).

The spelling of 17014021 in words is "seventeen million, fourteen thousand, twenty-one".

Divisors: 1 857 19853 17014021