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14020551 = 321557839
BaseRepresentation
bin110101011110…
…111111000111
3222101022120200
4311132333013
512042124201
61220301543
7230113146
oct65367707
928338520
1014020551
117a06936
1248418b3
132b9b8ac
141c0d75d
15136e386
hexd5efc7

14020551 has 6 divisors (see below), whose sum is σ = 20251920. Its totient is φ = 9347028.

The previous prime is 14020541. The next prime is 14020553. The reversal of 14020551 is 15502041.

It is not a de Polignac number, because 14020551 - 25 = 14020519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14020553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 778911 + ... + 778928.

It is an arithmetic number, because the mean of its divisors is an integer number (3375320).

Almost surely, 214020551 is an apocalyptic number.

14020551 is a deficient number, since it is larger than the sum of its proper divisors (6231369).

14020551 is a wasteful number, since it uses less digits than its factorization.

14020551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557845 (or 1557842 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 14020551 is about 3744.4026225821. The cubic root of 14020551 is about 241.1320993164.

Adding to 14020551 its reverse (15502041), we get a palindrome (29522592).

The spelling of 14020551 in words is "fourteen million, twenty thousand, five hundred fifty-one".

Divisors: 1 3 9 1557839 4673517 14020551