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75023701 is a prime number
BaseRepresentation
bin1000111100011…
…00010101010101
312020011121011121
410132030111111
5123201224301
611240003541
71600455664
oct436142525
9166147147
1075023701
1139392465
12211605b1
131270a32c
149d6cddb
1568be3a1
hex478c555

75023701 has 2 divisors, whose sum is σ = 75023702. Its totient is φ = 75023700.

The previous prime is 75023651. The next prime is 75023713. The reversal of 75023701 is 10732057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66438801 + 8584900 = 8151^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 75023701 - 27 = 75023573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75023731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37511850 + 37511851.

It is an arithmetic number, because the mean of its divisors is an integer number (37511851).

Almost surely, 275023701 is an apocalyptic number.

It is an amenable number.

75023701 is a deficient number, since it is larger than the sum of its proper divisors (1).

75023701 is an equidigital number, since it uses as much as digits as its factorization.

75023701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 75023701 is about 8661.6223076281. The cubic root of 75023701 is about 421.7607506336.

Adding to 75023701 its reverse (10732057), we get a palindrome (85755758).

The spelling of 75023701 in words is "seventy-five million, twenty-three thousand, seven hundred one".