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166442024 = 2372424597
BaseRepresentation
bin10011110101110…
…11010000101000
3102121012010112102
421322323100220
5320102121044
624303232532
74060506500
oct1172732050
9377163472
10166442024
1185a523a1
12478a8748
1328637a08
1418168a00
15e92b24e
hex9ebb428

166442024 has 24 divisors (see below), whose sum is σ = 363031290. Its totient is φ = 71332128.

The previous prime is 166442011. The next prime is 166442027. The reversal of 166442024 is 420244661.

It is a happy number.

166442024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 163379524 + 3062500 = 12782^2 + 1750^2 .

It is not an unprimeable number, because it can be changed into a prime (166442027) 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, 211907 + ... + 212690.

Almost surely, 2166442024 is an apocalyptic number.

166442024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166442024 is an abundant number, since it is smaller than the sum of its proper divisors (196589266).

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

166442024 is a wasteful number, since it uses less digits than its factorization.

166442024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424617 (or 424606 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 166442024 is about 12901.2411805996. The cubic root of 166442024 is about 550.0738457320.

Adding to 166442024 its reverse (420244661), we get a palindrome (586686685).

The spelling of 166442024 in words is "one hundred sixty-six million, four hundred forty-two thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 424597 849194 1698388 2972179 3396776 5944358 11888716 20805253 23777432 41610506 83221012 166442024