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143000864 = 254468777
BaseRepresentation
bin10001000011000…
…00010100100000
3100222002012022022
420201200110200
5243102011424
622105001012
73354326066
oct1041402440
9328065268
10143000864
11737a1736
123ba83168
132381b1c6
1414dc6036
15c84a95e
hex8860520

143000864 has 12 divisors (see below), whose sum is σ = 281533014. Its totient is φ = 71500416.

The previous prime is 143000849. The next prime is 143000873. The reversal of 143000864 is 468000341.

It can be written as a sum of positive squares in only one way, i.e., 117072400 + 25928464 = 10820^2 + 5092^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2234357 + ... + 2234420.

Almost surely, 2143000864 is an apocalyptic number.

It is an amenable number.

143000864 is a deficient number, since it is larger than the sum of its proper divisors (138532150).

143000864 is an equidigital number, since it uses as much as digits as its factorization.

143000864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468787 (or 4468779 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 143000864 is about 11958.2968687017. The cubic root of 143000864 is about 522.9332063515.

The spelling of 143000864 in words is "one hundred forty-three million, eight hundred sixty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 4468777 8937554 17875108 35750216 71500432 143000864