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14220930 = 2351961409
BaseRepresentation
bin110110001111…
…111010000010
3222202111110010
4312033322002
512120032210
61224445350
7231606303
oct66177202
928674403
1014220930
118033439
124919856
132c3bb69
141c627aa
1513ad920
hexd8fe82

14220930 has 64 divisors (see below), whose sum is σ = 36604800. Its totient is φ = 3525120.

The previous prime is 14220929. The next prime is 14220977. The reversal of 14220930 is 3902241.

It is a junction number, because it is equal to n+sod(n) for n = 14220897 and 14220906.

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, 34566 + ... + 34974.

It is an arithmetic number, because the mean of its divisors is an integer number (571950).

Almost surely, 214220930 is an apocalyptic number.

14220930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14220930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18302400).

14220930 is an abundant number, since it is smaller than the sum of its proper divisors (22383870).

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

14220930 is a wasteful number, since it uses less digits than its factorization.

14220930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 14220930 is about 3771.0648363559. The cubic root of 14220930 is about 242.2754076024.

The spelling of 14220930 in words is "fourteen million, two hundred twenty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 61 95 114 122 183 190 285 305 366 409 570 610 818 915 1159 1227 1830 2045 2318 2454 3477 4090 5795 6135 6954 7771 11590 12270 15542 17385 23313 24949 34770 38855 46626 49898 74847 77710 116565 124745 149694 233130 249490 374235 474031 748470 948062 1422093 2370155 2844186 4740310 7110465 14220930