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143030444 = 22139257249
BaseRepresentation
bin10001000011001…
…11100010101100
3100222010200212212
420201213202230
5243103433234
622105345552
73354511244
oct1041474254
9328120785
10143030444
1173811987
123ba982b8
132382b7cb
1414dd2b24
15c8545ce
hex88678ac

143030444 has 12 divisors (see below), whose sum is σ = 252105000. Its totient is φ = 71000448.

The previous prime is 143030429. The next prime is 143030453. The reversal of 143030444 is 444030341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128069 + ... + 129180.

It is an arithmetic number, because the mean of its divisors is an integer number (21008750).

Almost surely, 2143030444 is an apocalyptic number.

It is an amenable number.

143030444 is a deficient number, since it is larger than the sum of its proper divisors (109074556).

143030444 is a wasteful number, since it uses less digits than its factorization.

143030444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257392 (or 257390 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 143030444 is about 11959.5336029462. The cubic root of 143030444 is about 522.9692604409.

Adding to 143030444 its reverse (444030341), we get a palindrome (587060785).

The spelling of 143030444 in words is "one hundred forty-three million, thirty thousand, four hundred forty-four".

Divisors: 1 2 4 139 278 556 257249 514498 1028996 35757611 71515222 143030444