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164115304 = 23231018831
BaseRepresentation
bin10011100100000…
…11001101101000
3102102210220212121
421302003031220
5314003142204
624141321024
74031646163
oct1162031550
9372726777
10164115304
1184703291
1246b66174
1328001962
1417b20ada
15e61bb54
hex9c83368

164115304 has 32 divisors (see below), whose sum is σ = 324311040. Its totient is φ = 77704000.

The previous prime is 164115283. The next prime is 164115307. The reversal of 164115304 is 403511461.

It is not an unprimeable number, because it can be changed into a prime (164115307) 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, 14169 + ... + 22999.

It is an arithmetic number, because the mean of its divisors is an integer number (10134720).

Almost surely, 2164115304 is an apocalyptic number.

It is an amenable number.

164115304 is a deficient number, since it is larger than the sum of its proper divisors (160195736).

164115304 is a wasteful number, since it uses less digits than its factorization.

164115304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961 (or 8957 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164115304 is about 12810.7495487188. The cubic root of 164115304 is about 547.4986179013.

Adding to 164115304 its reverse (403511461), we get a palindrome (567626765).

The spelling of 164115304 in words is "one hundred sixty-four million, one hundred fifteen thousand, three hundred four".

Divisors: 1 2 4 8 23 46 92 101 184 202 404 808 2323 4646 8831 9292 17662 18584 35324 70648 203113 406226 812452 891931 1624904 1783862 3567724 7135448 20514413 41028826 82057652 164115304