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143900064 = 25347211103
BaseRepresentation
bin10001001001110…
…11110110100000
3101000202212210000
420210323312200
5243314300224
622140140000
73365062500
oct1044736640
9330685700
10143900064
1174256280
1240237600
1323a74589
141517ba00
15c9770c9
hex893bda0

143900064 has 360 divisors, whose sum is σ = 542269728. Its totient is φ = 37013760.

The previous prime is 143900063. The next prime is 143900083. The reversal of 143900064 is 460009341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (143900063) 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 59 ways as a sum of consecutive naturals, for example, 1397037 + ... + 1397139.

Almost surely, 2143900064 is an apocalyptic number.

143900064 is a gapful number since it is divisible by the number (14) 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 143900064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271134864).

143900064 is an abundant number, since it is smaller than the sum of its proper divisors (398369664).

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

143900064 is a wasteful number, since it uses less digits than its factorization.

143900064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 143900064 is about 11995.8352772952. The cubic root of 143900064 is about 524.0269978126.

The spelling of 143900064 in words is "one hundred forty-three million, nine hundred thousand, sixty-four".