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136383890 = 2516781667
BaseRepresentation
bin10000010000100…
…00110110010010
3100111122000112012
420020100312102
5234403241030
621311102522
73244146446
oct1010206622
9314560465
10136383890
116aa92265
1239811a42
1322342436
1414182826
15be90095
hex8210d92

136383890 has 16 divisors (see below), whose sum is σ = 246964032. Its totient is φ = 54226224.

The previous prime is 136383889. The next prime is 136383899. The reversal of 136383890 is 98383631.

It is not an unprimeable number, because it can be changed into a prime (136383899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39164 + ... + 42503.

It is an arithmetic number, because the mean of its divisors is an integer number (15435252).

Almost surely, 2136383890 is an apocalyptic number.

136383890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136383890 is a deficient number, since it is larger than the sum of its proper divisors (110580142).

136383890 is a wasteful number, since it uses less digits than its factorization.

136383890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81841.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 136383890 is about 11678.3513391232. The cubic root of 136383890 is about 514.7397308691.

The spelling of 136383890 in words is "one hundred thirty-six million, three hundred eighty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 167 334 835 1670 81667 163334 408335 816670 13638389 27276778 68191945 136383890