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14047220 = 2251167953
BaseRepresentation
bin110101100101…
…011111110100
3222102200011102
4311211133310
512044002340
61221025232
7230253665
oct65453764
928380142
1014047220
117a24980
124855218
132baaa85
141c1936c
151377215
hexd657f4

14047220 has 48 divisors (see below), whose sum is σ = 32695488. Its totient is φ = 5026560.

The previous prime is 14047217. The next prime is 14047237. The reversal of 14047220 is 2274041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14047192 and 14047201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14264 + ... + 15216.

It is an arithmetic number, because the mean of its divisors is an integer number (681156).

Almost surely, 214047220 is an apocalyptic number.

14047220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14047220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16347744).

14047220 is an abundant number, since it is smaller than the sum of its proper divisors (18648268).

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

14047220 is a wasteful number, since it uses less digits than its factorization.

14047220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 14047220 is about 3747.9621129355. The cubic root of 14047220 is about 241.2848911924.

The spelling of 14047220 in words is "fourteen million, forty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 134 220 268 335 670 737 953 1340 1474 1906 2948 3685 3812 4765 7370 9530 10483 14740 19060 20966 41932 52415 63851 104830 127702 209660 255404 319255 638510 702361 1277020 1404722 2809444 3511805 7023610 14047220