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136798190 = 2513679819
BaseRepresentation
bin10000010011101…
…01111111101110
3100112102001211122
420021311333232
5240010020230
621324020542
73250523354
oct1011657756
9315361748
10136798190
1170245561
1239991752
1322458b99
141424d7d4
15c022be5
hex8275fee

136798190 has 8 divisors (see below), whose sum is σ = 246236760. Its totient is φ = 54719272.

The previous prime is 136798187. The next prime is 136798231. The reversal of 136798190 is 91897631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1367981902 = 37427489574552200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6839900 + ... + 6839919.

It is an arithmetic number, because the mean of its divisors is an integer number (30779595).

Almost surely, 2136798190 is an apocalyptic number.

136798190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136798190 is a deficient number, since it is larger than the sum of its proper divisors (109438570).

136798190 is a wasteful number, since it uses less digits than its factorization.

136798190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13679826.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 136798190 is about 11696.0758376474. The cubic root of 136798190 is about 515.2604206518.

The spelling of 136798190 in words is "one hundred thirty-six million, seven hundred ninety-eight thousand, one hundred ninety".

Divisors: 1 2 5 10 13679819 27359638 68399095 136798190