Search a number
-
+
166703140 = 2258335157
BaseRepresentation
bin10011110111110…
…11000000100100
3102121200101201101
421323323000210
5320134000030
624313005444
74062644662
oct1173730044
9377611641
10166703140
118611059a
12479b3884
13286c9816
14181d5c32
15e97d7ca
hex9efb024

166703140 has 12 divisors (see below), whose sum is σ = 350076636. Its totient is φ = 66681248.

The previous prime is 166703113. The next prime is 166703161. The reversal of 166703140 is 41307661.

166703140 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 2 ways, for example, as 104734756 + 61968384 = 10234^2 + 7872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166703099 and 166703108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167559 + ... + 4167598.

It is an arithmetic number, because the mean of its divisors is an integer number (29173053).

Almost surely, 2166703140 is an apocalyptic number.

166703140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166703140 is an abundant number, since it is smaller than the sum of its proper divisors (183373496).

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

166703140 is a wasteful number, since it uses less digits than its factorization.

166703140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335166 (or 8335164 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 166703140 is about 12911.3570162086. The cubic root of 166703140 is about 550.3613493188.

The spelling of 166703140 in words is "one hundred sixty-six million, seven hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 8335157 16670314 33340628 41675785 83351570 166703140