Search a number
-
+
202088180 = 2257171941109
BaseRepresentation
bin11000000101110…
…01111011110100
3112002021010212102
430002321323310
5403213310210
632015241232
75002502240
oct1402717364
9462233772
10202088180
11a4089928
1257819218
1332b38908
141cba7420
1512b1cea5
hexc0b9ef4

202088180 has 192 divisors, whose sum is σ = 558835200. Its totient is φ = 59719680.

The previous prime is 202088171. The next prime is 202088213. The reversal of 202088180 is 81880202.

202088180 is digitally balanced in base 3, 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 63 ways as a sum of consecutive naturals, for example, 1853966 + ... + 1854074.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2202088180 is an apocalyptic number.

202088180 is a gapful number since it is divisible by the number (20) 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 202088180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279417600).

202088180 is an abundant number, since it is smaller than the sum of its proper divisors (356747020).

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

202088180 is a wasteful number, since it uses less digits than its factorization.

202088180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 202088180 is about 14215.7722266502. The cubic root of 202088180 is about 586.8317968070.

The spelling of 202088180 in words is "two hundred two million, eighty-eight thousand, one hundred eighty".