[go: up one dir, main page]

Search a number
-
+
227998080 = 27325231721
BaseRepresentation
bin11011001011011…
…11100110000000
3120220000111120100
431211233212000
5431331414310
634342442400
75435644302
oct1545574600
9526014510
10227998080
11107776372
1264433400
133830b00b
14223cd972
1515039ec0
hexd96f980

227998080 has 192 divisors, whose sum is σ = 822013920. Its totient is φ = 58122240.

The previous prime is 227998079. The next prime is 227998091. The reversal of 227998080 is 80899722.

227998080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 131620 + ... + 133340.

Almost surely, 2227998080 is an apocalyptic number.

227998080 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 227998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411006960).

227998080 is an abundant number, since it is smaller than the sum of its proper divisors (594015840).

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

227998080 is a wasteful number, since it uses less digits than its factorization.

227998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 227998080 is about 15099.6052928545. The cubic root of 227998080 is about 610.9097595849.

The spelling of 227998080 in words is "two hundred twenty-seven million, nine hundred ninety-eight thousand, eighty".