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297422020 = 22572124443
BaseRepresentation
bin10001101110100…
…100110011000100
3202201122121022101
4101232210303010
51102120001040
645302441444
710241021410
oct2156446304
9681577271
10297422020
11142983625
1283733284
134980757c
142b701d40
151b1a009a
hex11ba4cc4

297422020 has 24 divisors (see below), whose sum is σ = 713813184. Its totient is φ = 101973216.

The previous prime is 297422011. The next prime is 297422033. The reversal of 297422020 is 20224792.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 297422020.

It is an unprimeable number.

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, 1062082 + ... + 1062361.

It is an arithmetic number, because the mean of its divisors is an integer number (29742216).

Almost surely, 2297422020 is an apocalyptic number.

297422020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297422020 is an abundant number, since it is smaller than the sum of its proper divisors (416391164).

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

297422020 is a wasteful number, since it uses less digits than its factorization.

297422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124459 (or 2124457 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 297422020 is about 17245.9276352419. The cubic root of 297422020 is about 667.5098924502.

The spelling of 297422020 in words is "two hundred ninety-seven million, four hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2124443 4248886 8497772 10622215 14871101 21244430 29742202 42488860 59484404 74355505 148711010 297422020