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14221501 = 77925717
BaseRepresentation
bin110110010000…
…000010111101
3222202112020021
4312100002331
512120042001
61224452141
7231611050
oct66200275
928675207
1014221501
118033908
12491a051
132c3c1b8
141c62a97
1513adba1
hexd900bd

14221501 has 8 divisors (see below), whose sum is σ = 16459520. Its totient is φ = 12035088.

The previous prime is 14221499. The next prime is 14221511. The reversal of 14221501 is 10512241.

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

It is a cyclic number.

It is not a de Polignac number, because 14221501 - 21 = 14221499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12306 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (2057440).

Almost surely, 214221501 is an apocalyptic number.

It is an amenable number.

14221501 is a deficient number, since it is larger than the sum of its proper divisors (2238019).

14221501 is an equidigital number, since it uses as much as digits as its factorization.

14221501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25803.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 14221501 is about 3771.1405436552. The cubic root of 14221501 is about 242.2786501800.

Adding to 14221501 its reverse (10512241), we get a palindrome (24733742).

The spelling of 14221501 in words is "fourteen million, two hundred twenty-one thousand, five hundred one".

Divisors: 1 7 79 553 25717 180019 2031643 14221501