Base | Representation |
---|---|
bin | 10001110010001… |
… | …100101110010110 |
3 | 202210102212102110 |
4 | 101302030232112 |
5 | 1102340400430 |
6 | 45335051450 |
7 | 10252056120 |
oct | 2162145626 |
9 | 683385373 |
10 | 298371990 |
11 | 143472324 |
12 | 83b10b86 |
13 | 49a7aa97 |
14 | 2b8ac210 |
15 | 1b2db7b0 |
hex | 11c8cb96 |
298371990 has 32 divisors (see below), whose sum is σ = 818392320. Its totient is φ = 68199264.
The previous prime is 298371973. The next prime is 298372007. The reversal of 298371990 is 99173892.
It is an interprime number because it is at equal distance from previous prime (298371973) and next prime (298372007).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710200 + ... + 710619.
It is an arithmetic number, because the mean of its divisors is an integer number (25574760).
Almost surely, 2298371990 is an apocalyptic number.
298371990 is an abundant number, since it is smaller than the sum of its proper divisors (520020330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
298371990 is a wasteful number, since it uses less digits than its factorization.
298371990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420836.
The product of its (nonzero) digits is 244944, while the sum is 48.
The square root of 298371990 is about 17273.4475423987. The cubic root of 298371990 is about 668.2198157265.
The spelling of 298371990 in words is "two hundred ninety-eight million, three hundred seventy-one thousand, nine hundred ninety".
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