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164740230 = 2345203383
BaseRepresentation
bin10011101000110…
…11110010000110
3102110222200010000
421310123302012
5314133141410
624202542130
74040161134
oct1164336206
9373880100
10164740230
1184a9a856
1247207946
1328190235
1417c44754
15e6e1dc0
hex9d1bc86

164740230 has 40 divisors (see below), whose sum is σ = 442970352. Its totient is φ = 43930512.

The previous prime is 164740207. The next prime is 164740273. The reversal of 164740230 is 32047461.

164740230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164740194 and 164740203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100882 + ... + 102501.

Almost surely, 2164740230 is an apocalyptic number.

164740230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164740230 is an abundant number, since it is smaller than the sum of its proper divisors (278230122).

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

164740230 is a wasteful number, since it uses less digits than its factorization.

164740230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203402 (or 203393 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 164740230 is about 12835.1170621853. The cubic root of 164740230 is about 548.1926680585.

Adding to 164740230 its reverse (32047461), we get a palindrome (196787691).

The spelling of 164740230 in words is "one hundred sixty-four million, seven hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 203383 406766 610149 1016915 1220298 1830447 2033830 3050745 3660894 5491341 6101490 9152235 10982682 16474023 18304470 27456705 32948046 54913410 82370115 164740230