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75427153 is a prime number
BaseRepresentation
bin1000111111011…
…10110101010001
312020221002121021
410133232311101
5123302132103
611252355441
71604056144
oct437566521
9166832537
1075427153
113963859a
1221315b81
131281bb69
14a03605b
15694dbbd
hex47eed51

75427153 has 2 divisors, whose sum is σ = 75427154. Its totient is φ = 75427152.

The previous prime is 75427139. The next prime is 75427211. The reversal of 75427153 is 35172457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55606849 + 19820304 = 7457^2 + 4452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75427153 is a prime.

It is not a weakly prime, because it can be changed into another prime (75427553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37713576 + 37713577.

It is an arithmetic number, because the mean of its divisors is an integer number (37713577).

Almost surely, 275427153 is an apocalyptic number.

It is an amenable number.

75427153 is a deficient number, since it is larger than the sum of its proper divisors (1).

75427153 is an equidigital number, since it uses as much as digits as its factorization.

75427153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 34.

The square root of 75427153 is about 8684.8807130553. The cubic root of 75427153 is about 422.5154281681.

The spelling of 75427153 in words is "seventy-five million, four hundred twenty-seven thousand, one hundred fifty-three".