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143021104 = 2431288349
BaseRepresentation
bin10001000011001…
…01010000110000
3100222010020001221
420201211100300
5243103133404
622105234424
73354442102
oct1041452060
9328106057
10143021104
1173805966
123ba92a14
1323827495
1414dcd572
15c851954
hex8865430

143021104 has 20 divisors (see below), whose sum is σ = 286043200. Its totient is φ = 69203520.

The previous prime is 143021093. The next prime is 143021117. The reversal of 143021104 is 401120341.

143021104 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 16.

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, 143679 + ... + 144670.

It is an arithmetic number, because the mean of its divisors is an integer number (14302160).

Almost surely, 2143021104 is an apocalyptic number.

It is an amenable number.

143021104 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143021104 is a wasteful number, since it uses less digits than its factorization.

143021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288388 (or 288382 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143021104 is about 11959.1431131164. The cubic root of 143021104 is about 522.9578767591.

Adding to 143021104 its reverse (401120341), we get a palindrome (544141445).

The spelling of 143021104 in words is "one hundred forty-three million, twenty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 31 62 124 248 496 288349 576698 1153396 2306792 4613584 8938819 17877638 35755276 71510552 143021104