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14276420 = 2251136317
BaseRepresentation
bin110110011101…
…011101000100
3222212022120022
4312131131010
512123321140
61225554312
7232230134
oct66353504
928768508
1014276420
1180710a4
124945998
132c5b1b2
141c78ac4
1513c00b5
hexd9d744

14276420 has 24 divisors (see below), whose sum is σ = 30250584. Its totient is φ = 5659136.

The previous prime is 14276419. The next prime is 14276453. The reversal of 14276420 is 2467241.

It can be written as a sum of positive squares in 4 ways, for example, as 3136 + 14273284 = 56^2 + 3778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14276420.

It is an unprimeable number.

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, 899 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (1260441).

Almost surely, 214276420 is an apocalyptic number.

14276420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14276420 is an abundant number, since it is smaller than the sum of its proper divisors (15974164).

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

14276420 is a wasteful number, since it uses less digits than its factorization.

14276420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 14276420 is about 3778.4150116153. The cubic root of 14276420 is about 242.5901177799.

It can be divided in two parts, 1427 and 6420, that multiplied together give a triangular number (9161340 = T4280).

The spelling of 14276420 in words is "fourteen million, two hundred seventy-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 6317 12634 25268 31585 63170 126340 713821 1427642 2855284 3569105 7138210 14276420