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75349223 is a prime number
BaseRepresentation
bin1000111110110…
…11110011100111
312020210010200222
410133123303213
5123242133343
611250554555
71603313015
oct437336347
9166703628
1075349223
1139594a94
1221298a5b
13127c2551
14a0158b5
156935a68
hex47dbce7

75349223 has 2 divisors, whose sum is σ = 75349224. Its totient is φ = 75349222.

The previous prime is 75349207. The next prime is 75349229. The reversal of 75349223 is 32294357.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75349223 - 24 = 75349207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75349229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37674611 + 37674612.

It is an arithmetic number, because the mean of its divisors is an integer number (37674612).

Almost surely, 275349223 is an apocalyptic number.

75349223 is a deficient number, since it is larger than the sum of its proper divisors (1).

75349223 is an equidigital number, since it uses as much as digits as its factorization.

75349223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 75349223 is about 8680.3930210561. The cubic root of 75349223 is about 422.3698662042.

The spelling of 75349223 in words is "seventy-five million, three hundred forty-nine thousand, two hundred twenty-three".