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14220402 = 237338581
BaseRepresentation
bin110110001111…
…110001110010
3222202110201120
4312033301302
512120023102
61224443110
7231604620
oct66176162
928673646
1014220402
118032aa9
124919496
132c3b851
141c62510
1513ad6bc
hexd8fc72

14220402 has 16 divisors (see below), whose sum is σ = 32503872. Its totient is φ = 4062960.

The previous prime is 14220383. The next prime is 14220403. The reversal of 14220402 is 20402241.

It is not an unprimeable number, because it can be changed into a prime (14220403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169249 + ... + 169332.

It is an arithmetic number, because the mean of its divisors is an integer number (2031492).

Almost surely, 214220402 is an apocalyptic number.

14220402 is an abundant number, since it is smaller than the sum of its proper divisors (18283470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14220402 is a wasteful number, since it uses less digits than its factorization.

14220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338593.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 14220402 is about 3770.9948289543. The cubic root of 14220402 is about 242.2724091347.

Adding to 14220402 its reverse (20402241), we get a palindrome (34622643).

The spelling of 14220402 in words is "fourteen million, two hundred twenty thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 338581 677162 1015743 2031486 2370067 4740134 7110201 14220402