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143061400 = 23521973631
BaseRepresentation
bin10001000011011…
…11000110011000
3100222012021100101
420201233012120
5243110431100
622110145144
73355000426
oct1041570630
9328167311
10143061400
1173833169
123bab21b4
132383c921
1415000116
15c85d86a
hex886f198

143061400 has 48 divisors (see below), whose sum is σ = 334398240. Its totient is φ = 56918400.

The previous prime is 143061397. The next prime is 143061407. The reversal of 143061400 is 4160341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143061407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37585 + ... + 41215.

It is an arithmetic number, because the mean of its divisors is an integer number (6966630).

Almost surely, 2143061400 is an apocalyptic number.

143061400 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 143061400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167199120).

143061400 is an abundant number, since it is smaller than the sum of its proper divisors (191336840).

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

143061400 is a wasteful number, since it uses less digits than its factorization.

143061400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143061400 is about 11960.8277305544. The cubic root of 143061400 is about 523.0069863688.

The spelling of 143061400 in words is "one hundred forty-three million, sixty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 197 200 394 788 985 1576 1970 3631 3940 4925 7262 7880 9850 14524 18155 19700 29048 36310 39400 72620 90775 145240 181550 363100 715307 726200 1430614 2861228 3576535 5722456 7153070 14306140 17882675 28612280 35765350 71530700 143061400