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164044400 = 24521331547
BaseRepresentation
bin10011100011100…
…01111001110000
3102102200022121112
421301301321300
5313443410100
624140012452
74031232362
oct1161617160
9372608545
10164044400
1184664a93
1246b31128
1327ca85c0
1417b02d32
15e605b35
hex9c71e70

164044400 has 60 divisors (see below), whose sum is σ = 424446792. Its totient is φ = 60568320.

The previous prime is 164044399. The next prime is 164044411. The reversal of 164044400 is 4440461.

164044400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10574 + ... + 20973.

Almost surely, 2164044400 is an apocalyptic number.

164044400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164044400 is an abundant number, since it is smaller than the sum of its proper divisors (260402392).

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

164044400 is a wasteful number, since it uses less digits than its factorization.

164044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31578 (or 31567 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 164044400 is about 12807.9818863082. The cubic root of 164044400 is about 547.4197598608.

Adding to 164044400 its reverse (4440461), we get a palindrome (168484861).

The spelling of 164044400 in words is "one hundred sixty-four million, forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 31547 63094 126188 157735 252376 315470 410111 504752 630940 788675 820222 1261880 1577350 1640444 2050555 2523760 3154700 3280888 4101110 6309400 6561776 8202220 10252775 12618800 16404440 20505550 32808880 41011100 82022200 164044400