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143012368 = 248938273
BaseRepresentation
bin10001000011000…
…11001000010000
3100222002210002101
420201203020100
5243102343433
622105130144
73354404452
oct1041431020
9328083071
10143012368
11737aa344
123ba89954
1323823505
1414dca2d2
15c84e07d
hex8863210

143012368 has 10 divisors (see below), whose sum is σ = 277086494. Its totient is φ = 71506176.

The previous prime is 143012351. The next prime is 143012407. The reversal of 143012368 is 863210341.

It can be written as a sum of positive squares in only one way, i.e., 76947984 + 66064384 = 8772^2 + 8128^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469121 + ... + 4469152.

Almost surely, 2143012368 is an apocalyptic number.

It is an amenable number.

143012368 is a deficient number, since it is larger than the sum of its proper divisors (134074126).

143012368 is an equidigital number, since it uses as much as digits as its factorization.

143012368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938281 (or 8938275 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 143012368 is about 11958.7778639792. Note that the first 3 decimals coincide. The cubic root of 143012368 is about 522.9472287896.

It can be divided in two parts, 143012 and 368, that added together give a triangular number (143380 = T535).

The spelling of 143012368 in words is "one hundred forty-three million, twelve thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 8938273 17876546 35753092 71506184 143012368