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499641480 = 2333513191873
BaseRepresentation
bin11101110001111…
…110110010001000
31021211011102021000
4131301332302020
52010402011410
6121325015000
715244611462
oct3561766210
91254142230
10499641480
11237042048
1211b3b4460
137c68ab60
144a501132
152dce6dc0
hex1dc7ec88

499641480 has 256 divisors, whose sum is σ = 1888992000. Its totient is φ = 116453376.

The previous prime is 499641433. The next prime is 499641487. The reversal of 499641480 is 84146994.

499641480 is a `hidden beast` number, since 49 + 96 + 41 + 480 = 666.

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 (499641487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 265824 + ... + 267696.

It is an arithmetic number, because the mean of its divisors is an integer number (7378875).

Almost surely, 2499641480 is an apocalyptic number.

499641480 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 499641480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944496000).

499641480 is an abundant number, since it is smaller than the sum of its proper divisors (1389350520).

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

499641480 is a wasteful number, since it uses less digits than its factorization.

499641480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 499641480 is about 22352.6615864867. The cubic root of 499641480 is about 793.5107756156.

The spelling of 499641480 in words is "four hundred ninety-nine million, six hundred forty-one thousand, four hundred eighty".