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164869800 = 23352274783
BaseRepresentation
bin10011101001110…
…11011010101000
3102111020020211220
421310323122220
5314201313200
624205422040
74041240654
oct1164733250
9374206756
10164869800
1185079137
124726a920
13282071c4
1417c79a64
15e71a4a0
hex9d3b6a8

164869800 has 48 divisors (see below), whose sum is σ = 511098240. Its totient is φ = 43965120.

The previous prime is 164869759. The next prime is 164869801. The reversal of 164869800 is 8968461.

164869800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164869801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136792 + ... + 137991.

It is an arithmetic number, because the mean of its divisors is an integer number (10647880).

Almost surely, 2164869800 is an apocalyptic number.

164869800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164869800 is an abundant number, since it is smaller than the sum of its proper divisors (346228440).

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

164869800 is a wasteful number, since it uses less digits than its factorization.

164869800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274802 (or 274793 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 164869800 is about 12840.1635503603. The cubic root of 164869800 is about 548.3363502471.

The spelling of 164869800 in words is "one hundred sixty-four million, eight hundred sixty-nine thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 274783 549566 824349 1099132 1373915 1648698 2198264 2747830 3297396 4121745 5495660 6594792 6869575 8243490 10991320 13739150 16486980 20608725 27478300 32973960 41217450 54956600 82434900 164869800