Base | Representation |
---|---|
bin | 11101110011001… |
… | …000010111011000 |
3 | 1021211201201200200 |
4 | 131303020113120 |
5 | 2010441132442 |
6 | 121335302200 |
7 | 15250305252 |
oct | 3563102730 |
9 | 1254651620 |
10 | 499942872 |
11 | 237228530 |
12 | 11b51a960 |
13 | 7c7650b0 |
14 | 4a57ccd2 |
15 | 2dd5634c |
hex | 1dcc85d8 |
499942872 has 192 divisors, whose sum is σ = 1619654400. Its totient is φ = 137306880.
The previous prime is 499942867. The next prime is 499942873. The reversal of 499942872 is 278249994.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (499942873) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607053 + ... + 607875.
It is an arithmetic number, because the mean of its divisors is an integer number (8435700).
Almost surely, 2499942872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 499942872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809827200).
499942872 is an abundant number, since it is smaller than the sum of its proper divisors (1119711528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
499942872 is a wasteful number, since it uses less digits than its factorization.
499942872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 918 (or 911 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 54.
The square root of 499942872 is about 22359.4023175934. The cubic root of 499942872 is about 793.6702964837.
The spelling of 499942872 in words is "four hundred ninety-nine million, nine hundred forty-two thousand, eight hundred seventy-two".
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