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14270220 = 2232579279
BaseRepresentation
bin110110011011…
…111100001100
3222212000001200
4312123330030
512123121340
61225505500
7232203066
oct66337414
928760050
1014270220
118067478
124942290
132c58423
141c76736
1513bd330
hexd9bf0c

14270220 has 36 divisors (see below), whose sum is σ = 43286880. Its totient is φ = 3805344.

The previous prime is 14270167. The next prime is 14270231. The reversal of 14270220 is 2207241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14270193 and 14270202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39460 + ... + 39819.

Almost surely, 214270220 is an apocalyptic number.

14270220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14270220 is an abundant number, since it is smaller than the sum of its proper divisors (29016660).

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

14270220 is a wasteful number, since it uses less digits than its factorization.

14270220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79294 (or 79289 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 14270220 is about 3777.5944726770. The cubic root of 14270220 is about 242.5549951439.

Adding to 14270220 its reverse (2207241), we get a palindrome (16477461).

The spelling of 14270220 in words is "fourteen million, two hundred seventy thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 79279 158558 237837 317116 396395 475674 713511 792790 951348 1189185 1427022 1585580 2378370 2854044 3567555 4756740 7135110 14270220