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12314220 = 2235205237
BaseRepresentation
bin101110111110…
…011001101100
3212011121221020
4232332121230
511123023340
61115534140
7206445342
oct56763154
925147836
1012314220
116a50946
12415a350
132722029
1418c7992
1511339d0
hexbbe66c

12314220 has 24 divisors (see below), whose sum is σ = 34479984. Its totient is φ = 3283776.

The previous prime is 12314213. The next prime is 12314231. The reversal of 12314220 is 2241321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12314220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102559 + ... + 102678.

It is an arithmetic number, because the mean of its divisors is an integer number (1436666).

Almost surely, 212314220 is an apocalyptic number.

12314220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12314220 is an abundant number, since it is smaller than the sum of its proper divisors (22165764).

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

12314220 is a wasteful number, since it uses less digits than its factorization.

12314220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205249 (or 205247 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12314220 is about 3509.1622931976. The cubic root of 12314220 is about 230.9239456528.

Adding to 12314220 its reverse (2241321), we get a palindrome (14555541).

The spelling of 12314220 in words is "twelve million, three hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 205237 410474 615711 820948 1026185 1231422 2052370 2462844 3078555 4104740 6157110 12314220