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166384480 = 2551736011
BaseRepresentation
bin10011110101011…
…01001101100000
3102121002012121011
421322231031200
5320043300410
624302110304
74060146643
oct1172551540
9377065534
10166384480
1185a13139
124787b394
1328617772
1418151a5a
15e91918a
hex9ead360

166384480 has 48 divisors (see below), whose sum is σ = 395421264. Its totient is φ = 66158080.

The previous prime is 166384459. The next prime is 166384489. The reversal of 166384480 is 84483661.

166384480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166384489) 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, 24675 + ... + 30685.

It is an arithmetic number, because the mean of its divisors is an integer number (8237943).

Almost surely, 2166384480 is an apocalyptic number.

166384480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166384480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197710632).

166384480 is an abundant number, since it is smaller than the sum of its proper divisors (229036784).

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

166384480 is a wasteful number, since it uses less digits than its factorization.

166384480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199 (or 6191 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 166384480 is about 12899.0108147873. The cubic root of 166384480 is about 550.0104460826.

The spelling of 166384480 in words is "one hundred sixty-six million, three hundred eighty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 173 346 692 865 1384 1730 2768 3460 5536 6011 6920 12022 13840 24044 27680 30055 48088 60110 96176 120220 192352 240440 480880 961760 1039903 2079806 4159612 5199515 8319224 10399030 16638448 20798060 33276896 41596120 83192240 166384480