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143069310 = 232512712517
BaseRepresentation
bin10001000011100…
…01000001111110
3100222012200012100
420201301001332
5243111204220
622110245530
73355032456
oct1041610176
9328180170
10143069310
11738390aa
123bab68a6
13238433c7
1415002d66
15c860d90
hex887107e

143069310 has 48 divisors (see below), whose sum is σ = 374939136. Its totient is φ = 37848384.

The previous prime is 143069291. The next prime is 143069327. The reversal of 143069310 is 13960341.

It is a super-2 number, since 2×1430693102 = 40937654927752200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5172 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (7811232).

Almost surely, 2143069310 is an apocalyptic number.

143069310 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 143069310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187469568).

143069310 is an abundant number, since it is smaller than the sum of its proper divisors (231869826).

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

143069310 is a wasteful number, since it uses less digits than its factorization.

143069310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12657 (or 12654 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 143069310 is about 11961.1583887180. The cubic root of 143069310 is about 523.0166253747.

The spelling of 143069310 in words is "one hundred forty-three million, sixty-nine thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127 254 381 635 762 1143 1270 1905 2286 3810 5715 11430 12517 25034 37551 62585 75102 112653 125170 187755 225306 375510 563265 1126530 1589659 3179318 4768977 7948295 9537954 14306931 15896590 23844885 28613862 47689770 71534655 143069310