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100520297 is a prime number
BaseRepresentation
bin1011111110111…
…01000101101001
321000010221220222
411333131011221
5201213122142
613550255425
72330260043
oct577350551
9230127828
10100520297
1151817429
12297b7575
1317a96587
14d4c8a93
158c58bd2
hex5fdd169

100520297 has 2 divisors, whose sum is σ = 100520298. Its totient is φ = 100520296.

The previous prime is 100520267. The next prime is 100520333. The reversal of 100520297 is 792025001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100420441 + 99856 = 10021^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 100520297 - 210 = 100519273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100520207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260148 + 50260149.

It is an arithmetic number, because the mean of its divisors is an integer number (50260149).

Almost surely, 2100520297 is an apocalyptic number.

It is an amenable number.

100520297 is a deficient number, since it is larger than the sum of its proper divisors (1).

100520297 is an equidigital number, since it uses as much as digits as its factorization.

100520297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 100520297 is about 10025.9810991244. The cubic root of 100520297 is about 464.9624928317.

Adding to 100520297 its reverse (792025001), we get a palindrome (892545298).

The spelling of 100520297 in words is "one hundred million, five hundred twenty thousand, two hundred ninety-seven".