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136243006 = 2438319087
BaseRepresentation
bin10000001111011…
…10011100111110
3100111100212021021
420013232130332
5234334234011
621304054354
73243021634
oct1007563476
9314325237
10136243006
116a9a6429
12397643ba
13222c3283
1414147354
15be63471
hex81ee73e

136243006 has 16 divisors (see below), whose sum is σ = 211647744. Its totient is φ = 65732184.

The previous prime is 136242973. The next prime is 136243021. The reversal of 136243006 is 600342631.

It is a congruent number.

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, 2406 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (13227984).

Almost surely, 2136243006 is an apocalyptic number.

136243006 is a deficient number, since it is larger than the sum of its proper divisors (75404738).

136243006 is a wasteful number, since it uses less digits than its factorization.

136243006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19215.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 136243006 is about 11672.3179360400. The cubic root of 136243006 is about 514.5624284594.

Adding to 136243006 its reverse (600342631), we get a palindrome (736585637).

The spelling of 136243006 in words is "one hundred thirty-six million, two hundred forty-three thousand, six".

Divisors: 1 2 43 83 86 166 3569 7138 19087 38174 820741 1584221 1641482 3168442 68121503 136243006