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8240807 is a prime number
BaseRepresentation
bin11111011011111010100111
3120111200021002
4133123322213
54102201212
6452343515
7130021451
oct37337247
916450232
108240807
114719493
122914b9b
131926c23
1411472d1
15acbac2
hex7dbea7

8240807 has 2 divisors, whose sum is σ = 8240808. Its totient is φ = 8240806.

The previous prime is 8240803. The next prime is 8240809. The reversal of 8240807 is 7080428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8240807 - 22 = 8240803 is a prime.

It is a super-2 number, since 2×82408072 = 135821800022498, which contains 22 as substring.

Together with 8240809, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8240807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8240803) 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, 4120403 + 4120404.

It is an arithmetic number, because the mean of its divisors is an integer number (4120404).

Almost surely, 28240807 is an apocalyptic number.

8240807 is a deficient number, since it is larger than the sum of its proper divisors (1).

8240807 is an equidigital number, since it uses as much as digits as its factorization.

8240807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 8240807 is about 2870.6805813256. The cubic root of 8240807 is about 201.9869203700.

The spelling of 8240807 in words is "eight million, two hundred forty thousand, eight hundred seven".