Search a number
-
+
220776048 = 243219231137
BaseRepresentation
bin11010010100011…
…00011001110000
3120101102120210200
431022030121300
5423004313143
633523555200
75320364643
oct1512143160
9511376720
10220776048
11103693349
1261b2bb00
133697ca1c
142146da5a
15145b01d3
hexd28c670

220776048 has 180 divisors, whose sum is σ = 678045888. Its totient is φ = 66977280.

The previous prime is 220776047. The next prime is 220776091. The reversal of 220776048 is 840677022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220776041) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1611436 + ... + 1611572.

Almost surely, 2220776048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220776048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339022944).

220776048 is an abundant number, since it is smaller than the sum of its proper divisors (457269840).

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

220776048 is a wasteful number, since it uses less digits than its factorization.

220776048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 220776048 is about 14858.5345172396. The cubic root of 220776048 is about 604.3900671759.

The spelling of 220776048 in words is "two hundred twenty million, seven hundred seventy-six thousand, forty-eight".