Search a number
-
+
499903488 = 210357241
BaseRepresentation
bin11101110010111…
…110110000000000
31021211122201200000
4131302332300000
52010433402423
6121334400000
715250052400
oct3562766000
91254581600
10499903488
11237200987
1211b500000
137c7501a6
144a56c800
152dd49843
hex1dcbec00

499903488 has 396 divisors, whose sum is σ = 1783788552. Its totient is φ = 139345920.

The previous prime is 499903451. The next prime is 499903499. The reversal of 499903488 is 884309994.

It is a super-2 number, since 2×4999034882 = 499806994629132288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12192748 + ... + 12192788.

Almost surely, 2499903488 is an apocalyptic number.

499903488 is a gapful number since it is divisible by the number (48) 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 499903488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891894276).

499903488 is an abundant number, since it is smaller than the sum of its proper divisors (1283885064).

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

499903488 is an equidigital number, since it uses as much as digits as its factorization.

499903488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 499903488 is about 22358.5215969214. The cubic root of 499903488 is about 793.6494549479.

The spelling of 499903488 in words is "four hundred ninety-nine million, nine hundred three thousand, four hundred eighty-eight".