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14213280 = 253529611
BaseRepresentation
bin110110001110…
…000010100000
3222202002221210
4312032002200
512114311110
61224350120
7231545064
oct66160240
928662853
1014213280
118028714
124915340
132c38533
141c5daa4
1513ab520
hexd8e0a0

14213280 has 48 divisors (see below), whose sum is σ = 44773344. Its totient is φ = 3790080.

The previous prime is 14213267. The next prime is 14213281. The reversal of 14213280 is 8231241.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (14213281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (932778).

Almost surely, 214213280 is an apocalyptic number.

14213280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14213280 is an abundant number, since it is smaller than the sum of its proper divisors (30560064).

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

14213280 is a wasteful number, since it uses less digits than its factorization.

14213280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29629 (or 29621 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 14213280 is about 3770.0503975411. The cubic root of 14213280 is about 242.2319566395.

The spelling of 14213280 in words is "fourteen million, two hundred thirteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 29611 59222 88833 118444 148055 177666 236888 296110 355332 444165 473776 592220 710664 888330 947552 1184440 1421328 1776660 2368880 2842656 3553320 4737760 7106640 14213280