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8538797 is a prime number
BaseRepresentation
bin100000100100…
…101010101101
3121001211000202
4200210222231
54141220142
6503003245
7132402311
oct40445255
917054022
108538797
114902363
122a39525
1319cc757
1411c3b41
15b3a032
hex824aad

8538797 has 2 divisors, whose sum is σ = 8538798. Its totient is φ = 8538796.

The previous prime is 8538793. The next prime is 8538833. The reversal of 8538797 is 7978358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 2869636 = 2381^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 8538797 - 22 = 8538793 is a prime.

It is a super-2 number, since 2×85387972 = 145822108414418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8538793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269398 + 4269399.

It is an arithmetic number, because the mean of its divisors is an integer number (4269399).

Almost surely, 28538797 is an apocalyptic number.

It is an amenable number.

8538797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8538797 is an equidigital number, since it uses as much as digits as its factorization.

8538797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 8538797 is about 2922.1220029287. The cubic root of 8538797 is about 204.3927857845.

It can be divided in two parts, 853879 and 7, that multiplied together give a triangular number (5977153 = T3457).

The spelling of 8538797 in words is "eight million, five hundred thirty-eight thousand, seven hundred ninety-seven".