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164544200 = 2352822721
BaseRepresentation
bin10011100111010…
…11111011001000
3102110121201012122
421303223323020
5314110403300
624154430412
74035413462
oct1163537310
9373551178
10164544200
1184976547
1247132408
1328121c42
1417bd3132
15e6a3c85
hex9cebec8

164544200 has 24 divisors (see below), whose sum is σ = 382565730. Its totient is φ = 65817600.

The previous prime is 164544197. The next prime is 164544203. The reversal of 164544200 is 2445461.

It is an interprime number because it is at equal distance from previous prime (164544197) and next prime (164544203).

It can be written as a sum of positive squares in 3 ways, for example, as 146071396 + 18472804 = 12086^2 + 4298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164544200.

It is not an unprimeable number, because it can be changed into a prime (164544203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411161 + ... + 411560.

Almost surely, 2164544200 is an apocalyptic number.

164544200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164544200 is an abundant number, since it is smaller than the sum of its proper divisors (218021530).

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

164544200 is a wasteful number, since it uses less digits than its factorization.

164544200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822737 (or 822728 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 164544200 is about 12827.4783180483. The cubic root of 164544200 is about 547.9751440588.

Adding to 164544200 its reverse (2445461), we get a palindrome (166989661).

The spelling of 164544200 in words is "one hundred sixty-four million, five hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 822721 1645442 3290884 4113605 6581768 8227210 16454420 20568025 32908840 41136050 82272100 164544200