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14213500 = 2253731131
BaseRepresentation
bin110110001110…
…000101111100
3222202010020221
4312032011330
512114313000
61224351124
7231545530
oct66160574
928663227
1014213500
1180288a4
1249154a4
132c38672
141c5dbc0
1513ab61a
hexd8e17c

14213500 has 96 divisors (see below), whose sum is σ = 36900864. Its totient is φ = 4680000.

The previous prime is 14213489. The next prime is 14213519. The reversal of 14213500 is 531241.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 108435 + ... + 108565.

It is an arithmetic number, because the mean of its divisors is an integer number (384384).

Almost surely, 214213500 is an apocalyptic number.

14213500 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 14213500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18450432).

14213500 is an abundant number, since it is smaller than the sum of its proper divisors (22687364).

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

14213500 is a wasteful number, since it uses less digits than its factorization.

14213500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 14213500 is about 3770.0795747570. The cubic root of 14213500 is about 242.2332064274.

Adding to 14213500 its reverse (531241), we get a palindrome (14744741).

The spelling of 14213500 in words is "fourteen million, two hundred thirteen thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 31 35 50 62 70 100 124 125 131 140 155 175 217 250 262 310 350 434 500 524 620 655 700 775 868 875 917 1085 1310 1550 1750 1834 2170 2620 3100 3275 3500 3668 3875 4061 4340 4585 5425 6550 7750 8122 9170 10850 13100 15500 16244 16375 18340 20305 21700 22925 27125 28427 32750 40610 45850 54250 56854 65500 81220 91700 101525 108500 113708 114625 142135 203050 229250 284270 406100 458500 507625 568540 710675 1015250 1421350 2030500 2842700 3553375 7106750 14213500