Base | Representation |
---|---|
bin | 11101110011010… |
… | …000001101000100 |
3 | 1021211210100201212 |
4 | 131303100031010 |
5 | 2010443144410 |
6 | 121340110552 |
7 | 15250501001 |
oct | 3563201504 |
9 | 1254710655 |
10 | 499974980 |
11 | 23724a66a |
12 | 11b535458 |
13 | 7c7768ab |
14 | 4a58a8a8 |
15 | 2dd60b05 |
hex | 1dcd0344 |
499974980 has 12 divisors (see below), whose sum is σ = 1049947500. Its totient is φ = 199989984.
The previous prime is 499974977. The next prime is 499974983. The reversal of 499974980 is 89479994.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (499974977) and next prime (499974983).
It can be written as a sum of positive squares in 2 ways, for example, as 70324996 + 429649984 = 8386^2 + 20728^2 .
It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (499974983) 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 3 ways as a sum of consecutive naturals, for example, 12499355 + ... + 12499394.
It is an arithmetic number, because the mean of its divisors is an integer number (87495625).
Almost surely, 2499974980 is an apocalyptic number.
It is an amenable number.
499974980 is an abundant number, since it is smaller than the sum of its proper divisors (549972520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
499974980 is a wasteful number, since it uses less digits than its factorization.
499974980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24998758 (or 24998756 counting only the distinct ones).
The product of its (nonzero) digits is 5878656, while the sum is 59.
The square root of 499974980 is about 22360.1203037909. The cubic root of 499974980 is about 793.6872868385.
The spelling of 499974980 in words is "four hundred ninety-nine million, nine hundred seventy-four thousand, nine hundred eighty".
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