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14143770 = 2325413833
BaseRepresentation
bin110101111101…
…000100011010
3222121120121100
4311331010122
512110100040
61223052230
7231135324
oct65750432
928546540
1014143770
117a90473
1248a1076
132c129c4
141c42614
151395b30
hexd7d11a

14143770 has 48 divisors (see below), whose sum is σ = 37680552. Its totient is φ = 3678720.

The previous prime is 14143709. The next prime is 14143777. The reversal of 14143770 is 7734141.

It can be written as a sum of positive squares in 4 ways, for example, as 5517801 + 8625969 = 2349^2 + 2937^2 .

It is not an unprimeable number, because it can be changed into a prime (14143777) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1774 + ... + 5606.

Almost surely, 214143770 is an apocalyptic number.

14143770 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 14143770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18840276).

14143770 is an abundant number, since it is smaller than the sum of its proper divisors (23536782).

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

14143770 is a wasteful number, since it uses less digits than its factorization.

14143770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 14143770 is about 3760.8203892236. The cubic root of 14143770 is about 241.8364329670.

It can be divided in two parts, 1414 and 3770, that added together give a square (5184 = 722).

The spelling of 14143770 in words is "fourteen million, one hundred forty-three thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 41 45 82 90 123 205 246 369 410 615 738 1230 1845 3690 3833 7666 11499 19165 22998 34497 38330 57495 68994 114990 157153 172485 314306 344970 471459 785765 942918 1414377 1571530 2357295 2828754 4714590 7071885 14143770