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297005080 = 23519737691
BaseRepresentation
bin10001101100111…
…111000000011000
3202200212102101011
4101230333000120
51102013130310
645245503304
710234334011
oct2154770030
9680772334
10297005080
11142719349
1283571b34
13496bc868
142b634008
151b11b78a
hex11b3f018

297005080 has 32 divisors (see below), whose sum is σ = 671671440. Its totient is φ = 118195840.

The previous prime is 297005041. The next prime is 297005081. The reversal of 297005080 is 80500792.

297005080 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 not an unprimeable number, because it can be changed into a prime (297005081) 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 7 ways as a sum of consecutive naturals, for example, 10966 + ... + 26725.

Almost surely, 2297005080 is an apocalyptic number.

297005080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297005080 is an abundant number, since it is smaller than the sum of its proper divisors (374666360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297005080 is a wasteful number, since it uses less digits than its factorization.

297005080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37899 (or 37895 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 297005080 is about 17233.8353247326. The cubic root of 297005080 is about 667.1978311285.

The spelling of 297005080 in words is "two hundred ninety-seven million, five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 197 394 788 985 1576 1970 3940 7880 37691 75382 150764 188455 301528 376910 753820 1507640 7425127 14850254 29700508 37125635 59401016 74251270 148502540 297005080