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75024401 is a prime number
BaseRepresentation
bin1000111100011…
…00100000010001
312020011122010112
410132030200101
5123201240101
611240011105
71600461014
oct436144021
9166148115
1075024401
1139392a41
1221160a95
131270a74a
149d6d37b
1568be6bb
hex478c811

75024401 has 2 divisors, whose sum is σ = 75024402. Its totient is φ = 75024400.

The previous prime is 75024347. The next prime is 75024427. The reversal of 75024401 is 10442057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73942801 + 1081600 = 8599^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 75024401 - 26 = 75024337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75024431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37512200 + 37512201.

It is an arithmetic number, because the mean of its divisors is an integer number (37512201).

Almost surely, 275024401 is an apocalyptic number.

It is an amenable number.

75024401 is a deficient number, since it is larger than the sum of its proper divisors (1).

75024401 is an equidigital number, since it uses as much as digits as its factorization.

75024401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 75024401 is about 8661.6627156684. The cubic root of 75024401 is about 421.7620623596.

Adding to 75024401 its reverse (10442057), we get a palindrome (85466458).

The spelling of 75024401 in words is "seventy-five million, twenty-four thousand, four hundred one".