Base | Representation |
---|---|
bin | 10001101110100… |
… | …111110100001100 |
3 | 202201200020021011 |
4 | 101232213310030 |
5 | 1102120400010 |
6 | 45303015004 |
7 | 10241102425 |
oct | 2156476414 |
9 | 681606234 |
10 | 297434380 |
11 | 142991941 |
12 | 8373a464 |
13 | 49810099 |
14 | 2b70664c |
15 | 1b1a3a8a |
hex | 11ba7d0c |
297434380 has 24 divisors (see below), whose sum is σ = 661354848. Its totient is φ = 111975168.
The previous prime is 297434359. The next prime is 297434383. The reversal of 297434380 is 83434792.
It is not an unprimeable number, because it can be changed into a prime (297434383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437064 + ... + 437743.
It is an arithmetic number, because the mean of its divisors is an integer number (27556452).
Almost surely, 2297434380 is an apocalyptic number.
297434380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
297434380 is an abundant number, since it is smaller than the sum of its proper divisors (363920468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297434380 is a wasteful number, since it uses less digits than its factorization.
297434380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 874833 (or 874831 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 40.
The square root of 297434380 is about 17246.2859769865. The cubic root of 297434380 is about 667.5191389164.
The spelling of 297434380 in words is "two hundred ninety-seven million, four hundred thirty-four thousand, three hundred eighty".
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