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164243304 = 233215115107
BaseRepresentation
bin10011100101000…
…10011101101000
3102110001102110100
421302202131220
5314021241204
624144145400
74033021311
oct1162423550
9373042410
10164243304
1184790475
1247008260
1328047cb4
1417b55608
15e644a39
hex9ca2768

164243304 has 48 divisors (see below), whose sum is σ = 447801120. Its totient is φ = 54381600.

The previous prime is 164243281. The next prime is 164243309. The reversal of 164243304 is 403342461.

It is not an unprimeable number, because it can be changed into a prime (164243309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3319 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (9329190).

Almost surely, 2164243304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164243304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223900560).

164243304 is an abundant number, since it is smaller than the sum of its proper divisors (283557816).

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

164243304 is a wasteful number, since it uses less digits than its factorization.

164243304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15270 (or 15263 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 164243304 is about 12815.7443794732. The cubic root of 164243304 is about 547.6409195026.

Adding to 164243304 its reverse (403342461), we get a palindrome (567585765).

The spelling of 164243304 in words is "one hundred sixty-four million, two hundred forty-three thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 151 302 453 604 906 1208 1359 1812 2718 3624 5436 10872 15107 30214 45321 60428 90642 120856 135963 181284 271926 362568 543852 1087704 2281157 4562314 6843471 9124628 13686942 18249256 20530413 27373884 41060826 54747768 82121652 164243304