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14321020 = 2257102293
BaseRepresentation
bin110110101000…
…010101111100
3222221120202011
4312220111330
512131233040
61230541004
7232504150
oct66502574
928846664
1014321020
1180a165a
124967764
132c7559c
141c8b060
1513cd3ea
hexda857c

14321020 has 24 divisors (see below), whose sum is σ = 34370784. Its totient is φ = 4910016.

The previous prime is 14320993. The next prime is 14321033. The reversal of 14321020 is 2012341.

It is a super-2 number, since 2×143210202 = 410183227680800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 51007 + ... + 51286.

It is an arithmetic number, because the mean of its divisors is an integer number (1432116).

Almost surely, 214321020 is an apocalyptic number.

14321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14321020 is an abundant number, since it is smaller than the sum of its proper divisors (20049764).

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

14321020 is a wasteful number, since it uses less digits than its factorization.

14321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102309 (or 102307 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 14321020 is about 3784.3123549728. The cubic root of 14321020 is about 242.8424749751.

Adding to 14321020 its reverse (2012341), we get a palindrome (16333361).

The spelling of 14321020 in words is "fourteen million, three hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 102293 204586 409172 511465 716051 1022930 1432102 2045860 2864204 3580255 7160510 14321020