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142143410 = 2573194717
BaseRepresentation
bin10000111100011…
…10111110110010
3100220110122002202
420132032332302
5242342042120
622034343202
73344125163
oct1036167662
9326418082
10142143410
11732664a2
123b72ab02
13235aab36
1414c4176a
15c72b875
hex878efb2

142143410 has 16 divisors (see below), whose sum is σ = 259364376. Its totient is φ = 56078208.

The previous prime is 142143377. The next prime is 142143431. The reversal of 142143410 is 14341241.

It can be written as a sum of positive squares in 4 ways, for example, as 100140049 + 42003361 = 10007^2 + 6481^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96629 + ... + 98088.

Almost surely, 2142143410 is an apocalyptic number.

142143410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142143410 is a deficient number, since it is larger than the sum of its proper divisors (117220966).

142143410 is a wasteful number, since it uses less digits than its factorization.

142143410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194797.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142143410 is about 11922.3911192344. The cubic root of 142143410 is about 521.8859157720.

Adding to 142143410 its reverse (14341241), we get a palindrome (156484651).

The spelling of 142143410 in words is "one hundred forty-two million, one hundred forty-three thousand, four hundred ten".

Divisors: 1 2 5 10 73 146 365 730 194717 389434 973585 1947170 14214341 28428682 71071705 142143410