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164807136 = 2534136773
BaseRepresentation
bin10011101001011…
…00000111100000
3102111010001220000
421310230013200
5314142312021
624204220000
74040560164
oct1164540740
9374101800
10164807136
118503604a
124723a600
13281b4820
1417c60ca4
15e706b26
hex9d2c1e0

164807136 has 240 divisors, whose sum is σ = 537025104. Its totient is φ = 49268736.

The previous prime is 164807113. The next prime is 164807147. The reversal of 164807136 is 631708461.

164807136 is a `hidden beast` number, since 1 + 648 + 0 + 7 + 1 + 3 + 6 = 666.

It is a super-2 number, since 2×1648071362 = 54322784153044992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 164807136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2257596 + ... + 2257668.

Almost surely, 2164807136 is an apocalyptic number.

164807136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164807136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268512552).

164807136 is an abundant number, since it is smaller than the sum of its proper divisors (372217968).

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

164807136 is a wasteful number, since it uses less digits than its factorization.

164807136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 164807136 is about 12837.7231626173. The cubic root of 164807136 is about 548.2668705661.

The spelling of 164807136 in words is "one hundred sixty-four million, eight hundred seven thousand, one hundred thirty-six".