Search a number
-
+
211034880 = 2832572617
BaseRepresentation
bin11001001010000…
…10001100000000
3112201002200102200
430211002030000
5413011104010
632535113200
75141524020
oct1445021400
9481080380
10211034880
11a913a6a1
125a812800
133494bc14
1420055a80
15137d8cc0
hexc942300

211034880 has 216 divisors, whose sum is σ = 834785952. Its totient is φ = 48218112.

The previous prime is 211034869. The next prime is 211034893. The reversal of 211034880 is 88430112.

It is a super-2 number, since 2×2110348802 = 89071441153228800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79332 + ... + 81948.

Almost surely, 2211034880 is an apocalyptic number.

211034880 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 211034880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417392976).

211034880 is an abundant number, since it is smaller than the sum of its proper divisors (623751072).

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

211034880 is a wasteful number, since it uses less digits than its factorization.

211034880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 211034880 is about 14527.0396158336. The cubic root of 211034880 is about 595.3669840187.

Adding to 211034880 its reverse (88430112), we get a palindrome (299464992).

The spelling of 211034880 in words is "two hundred eleven million, thirty-four thousand, eight hundred eighty".