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75226297 is a prime number
BaseRepresentation
bin1000111101111…
…01110010111001
312020112220002011
410132331302321
5123224220142
611244205521
71602261436
oct436756271
9166486064
1075226297
11395106a3
12212398a1
131277b603
149dc2b8d
15690e417
hex47bdcb9

75226297 has 2 divisors, whose sum is σ = 75226298. Its totient is φ = 75226296.

The previous prime is 75226279. The next prime is 75226321. The reversal of 75226297 is 79262257.

Together with previous prime (75226279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 11162281 = 8004^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 75226297 - 219 = 74702009 is a prime.

It is not a weakly prime, because it can be changed into another prime (75226897) 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, 37613148 + 37613149.

It is an arithmetic number, because the mean of its divisors is an integer number (37613149).

Almost surely, 275226297 is an apocalyptic number.

It is an amenable number.

75226297 is a deficient number, since it is larger than the sum of its proper divisors (1).

75226297 is an equidigital number, since it uses as much as digits as its factorization.

75226297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 75226297 is about 8673.3094606384. The cubic root of 75226297 is about 422.1400540653.

The spelling of 75226297 in words is "seventy-five million, two hundred twenty-six thousand, two hundred ninety-seven".