Base | Representation |
---|---|
bin | 10001101101100… |
… | …111010000111100 |
3 | 202201011210120120 |
4 | 101231213100330 |
5 | 1102033414410 |
6 | 45253214540 |
7 | 10235621532 |
oct | 2155472074 |
9 | 681153516 |
10 | 297169980 |
11 | 142821228 |
12 | 83631450 |
13 | 49749933 |
14 | 2b678152 |
15 | 1b150570 |
hex | 11b6743c |
297169980 has 24 divisors (see below), whose sum is σ = 832076112. Its totient is φ = 79245312.
The previous prime is 297169973. The next prime is 297169997. The reversal of 297169980 is 89961792.
It is a happy number.
297169980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2476357 + ... + 2476476.
It is an arithmetic number, because the mean of its divisors is an integer number (34669838).
Almost surely, 2297169980 is an apocalyptic number.
297169980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
297169980 is an abundant number, since it is smaller than the sum of its proper divisors (534906132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297169980 is a wasteful number, since it uses less digits than its factorization.
297169980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4952845 (or 4952843 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 51.
The square root of 297169980 is about 17238.6188541890. The cubic root of 297169980 is about 667.3212864435.
The spelling of 297169980 in words is "two hundred ninety-seven million, one hundred sixty-nine thousand, nine hundred eighty".
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