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1020297 = 31811879
BaseRepresentation
bin11111001000110001001
31220211120210
43321012021
5230122142
633511333
711446425
oct3710611
91824523
101020297
11637623
12412549
13299535
141c7b85
1515249c
hexf9189

1020297 has 8 divisors (see below), whose sum is σ = 1368640. Its totient is φ = 676080.

The previous prime is 1020293. The next prime is 1020301. The reversal of 1020297 is 7920201.

It is a happy number.

1020297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020293) and next prime (1020301).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020297 - 22 = 1020293 is a prime.

It is a Duffinian number.

1020297 is a modest number, since divided by 297 gives 102 as remainder.

1020297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1020293) 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, 397 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (171080).

21020297 is an apocalyptic number.

It is an amenable number.

1020297 is a deficient number, since it is larger than the sum of its proper divisors (348343).

1020297 is a wasteful number, since it uses less digits than its factorization.

1020297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1020297 is about 1010.0975200445. The cubic root of 1020297 is about 100.6720401695.

Adding to 1020297 its reverse (7920201), we get a palindrome (8940498).

The spelling of 1020297 in words is "one million, twenty thousand, two hundred ninety-seven".

Divisors: 1 3 181 543 1879 5637 340099 1020297