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143023330 = 2514302333
BaseRepresentation
bin10001000011001…
…01110011100010
3100222010100010101
420201211303202
5243103221310
622105253014
73354451432
oct1041456342
9328110111
10143023330
11738075aa
123ba9416a
13238284b8
1414dd02c2
15c85243a
hex8865ce2

143023330 has 8 divisors (see below), whose sum is σ = 257442012. Its totient is φ = 57209328.

The previous prime is 143023319. The next prime is 143023333. The reversal of 143023330 is 33320341.

It can be written as a sum of positive squares in 2 ways, for example, as 141110641 + 1912689 = 11879^2 + 1383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 143023298 and 143023307.

It is not an unprimeable number, because it can be changed into a prime (143023333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151157 + ... + 7151176.

Almost surely, 2143023330 is an apocalyptic number.

143023330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143023330 is a deficient number, since it is larger than the sum of its proper divisors (114418682).

143023330 is a wasteful number, since it uses less digits than its factorization.

143023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302340.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 143023330 is about 11959.2361796228. The cubic root of 143023330 is about 522.9605898743.

Adding to 143023330 its reverse (33320341), we get a palindrome (176343671).

The spelling of 143023330 in words is "one hundred forty-three million, twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 14302333 28604666 71511665 143023330