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481389480 = 2334511131039
BaseRepresentation
bin11100101100010…
…110101110101000
31020112211010020000
4130230112232220
51441213430410
6115433503000
714633512605
oct3454265650
91215733200
10481389480
11227806050
12115271a60
137896a260
1447d0d6ac
152c3dddc0
hex1cb16ba8

481389480 has 320 divisors, whose sum is σ = 1902700800. Its totient is φ = 107619840.

The previous prime is 481389479. The next prime is 481389481. The reversal of 481389480 is 84983184.

481389480 is a `hidden beast` number, since 481 + 3 + 8 + 94 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (481389479) and next prime (481389481).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481389481) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 462801 + ... + 463839.

It is an arithmetic number, because the mean of its divisors is an integer number (5945940).

Almost surely, 2481389480 is an apocalyptic number.

481389480 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 481389480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951350400).

481389480 is an abundant number, since it is smaller than the sum of its proper divisors (1421311320).

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

481389480 is a wasteful number, since it uses less digits than its factorization.

481389480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 481389480 is about 21940.5897824101. The cubic root of 481389480 is about 783.7283046122.

The spelling of 481389480 in words is "four hundred eighty-one million, three hundred eighty-nine thousand, four hundred eighty".