Search a number
-
+
463877280 = 253654197
BaseRepresentation
bin11011101001100…
…011010010100000
31012022212102000000
4123221203102200
51422223033110
6114010300000
714331614616
oct3351432240
91168772000
10463877280
11218934959
1210b427600
13751482c9
14458716b6
152aad01c0
hex1ba634a0

463877280 has 336 divisors, whose sum is σ = 1700541864. Its totient is φ = 119439360.

The previous prime is 463877233. The next prime is 463877287. The reversal of 463877280 is 82778364.

It is a happy number.

463877280 is a `hidden beast` number, since 4 + 638 + 7 + 7 + 2 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 238517136 + 225360144 = 15444^2 + 15012^2 .

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

It is not an unprimeable number, because it can be changed into a prime (463877287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4782192 + ... + 4782288.

Almost surely, 2463877280 is an apocalyptic number.

463877280 is a gapful number since it is divisible by the number (40) 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 463877280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850270932).

463877280 is an abundant number, since it is smaller than the sum of its proper divisors (1236664584).

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

463877280 is an equidigital number, since it uses as much as digits as its factorization.

463877280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 463877280 is about 21537.8104736763. The cubic root of 463877280 is about 774.1070700987.

It can be divided in two parts, 4638 and 77280, that added together give a palindrome (81918).

The spelling of 463877280 in words is "four hundred sixty-three million, eight hundred seventy-seven thousand, two hundred eighty".