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164103128 = 2372930413
BaseRepresentation
bin10011100100000…
…00001111011000
3102102210022011122
421302000033120
5314002300003
624141144412
74031565530
oct1162001730
9372708148
10164103128
11846a5122
1246b5b108
1327cc9257
1417b1a4c0
15e618238
hex9c803d8

164103128 has 16 divisors (see below), whose sum is σ = 351649680. Its totient is φ = 70329888.

The previous prime is 164103077. The next prime is 164103143. The reversal of 164103128 is 821301461.

It is a junction number, because it is equal to n+sod(n) for n = 164103097 and 164103106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465151 + ... + 1465262.

It is an arithmetic number, because the mean of its divisors is an integer number (21978105).

Almost surely, 2164103128 is an apocalyptic number.

It is an amenable number.

164103128 is an abundant number, since it is smaller than the sum of its proper divisors (187546552).

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

164103128 is a wasteful number, since it uses less digits than its factorization.

164103128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930426 (or 2930422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 164103128 is about 12810.2743140028. The cubic root of 164103128 is about 547.4850776081.

Adding to 164103128 its reverse (821301461), we get a palindrome (985404589).

The spelling of 164103128 in words is "one hundred sixty-four million, one hundred three thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 2930413 5860826 11721652 20512891 23443304 41025782 82051564 164103128