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75051049 is a prime number
BaseRepresentation
bin1000111100100…
…11000000101001
312020012222200111
410132103000221
5123203113144
611240334321
71600631503
oct436230051
9166188614
1075051049
1139400a67
12211743a1
1312719908
149d78d73
1568c7534
hex4793029

75051049 has 2 divisors, whose sum is σ = 75051050. Its totient is φ = 75051048.

The previous prime is 75051037. The next prime is 75051061. The reversal of 75051049 is 94015057.

It is a balanced prime because it is at equal distance from previous prime (75051037) and next prime (75051061).

It can be written as a sum of positive squares in only one way, i.e., 61779600 + 13271449 = 7860^2 + 3643^2 .

It is a cyclic number.

It is not a de Polignac number, because 75051049 - 211 = 75049001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75051049.

It is not a weakly prime, because it can be changed into another prime (75051149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37525524 + 37525525.

It is an arithmetic number, because the mean of its divisors is an integer number (37525525).

Almost surely, 275051049 is an apocalyptic number.

It is an amenable number.

75051049 is a deficient number, since it is larger than the sum of its proper divisors (1).

75051049 is an equidigital number, since it uses as much as digits as its factorization.

75051049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 75051049 is about 8663.2008518792. The cubic root of 75051049 is about 421.8119918264.

The spelling of 75051049 in words is "seventy-five million, fifty-one thousand, forty-nine".