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14202220 = 2251574523
BaseRepresentation
bin110110001011…
…010101101100
3222201112210011
4312023111230
512113432340
61224223004
7231500614
oct66132554
928645704
1014202220
11802037a
12490aa64
132c334a6
141c59a44
1513a80ea
hexd8b56c

14202220 has 24 divisors (see below), whose sum is σ = 30021264. Its totient is φ = 5643456.

The previous prime is 14202211. The next prime is 14202229. The reversal of 14202220 is 2220241.

It is an interprime number because it is at equal distance from previous prime (14202211) and next prime (14202229).

It is a self number, because there is not a number n which added to its sum of digits gives 14202220.

It is not an unprimeable number, because it can be changed into a prime (14202229) 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, 879 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (1250886).

Almost surely, 214202220 is an apocalyptic number.

14202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14202220 is an abundant number, since it is smaller than the sum of its proper divisors (15819044).

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

14202220 is a wasteful number, since it uses less digits than its factorization.

14202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 14202220 is about 3768.5832881867. The cubic root of 14202220 is about 242.1691097656.

Adding to 14202220 its reverse (2220241), we get a palindrome (16422461).

The spelling of 14202220 in words is "fourteen million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 4523 9046 18092 22615 45230 90460 710111 1420222 2840444 3550555 7101110 14202220