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75276049 is a prime number
BaseRepresentation
bin1000111110010…
…01111100010001
312020122102022211
410133021330101
5123232313144
611245232121
71602556462
oct437117421
9166572284
1075276049
1139545012
1221262641
1312798154
149dd6d69
15691e034
hex47c9f11

75276049 has 2 divisors, whose sum is σ = 75276050. Its totient is φ = 75276048.

The previous prime is 75276031. The next prime is 75276053. The reversal of 75276049 is 94067257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 16646400 = 7657^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 75276049 - 217 = 75144977 is a prime.

It is not a weakly prime, because it can be changed into another prime (75276449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37638024 + 37638025.

It is an arithmetic number, because the mean of its divisors is an integer number (37638025).

Almost surely, 275276049 is an apocalyptic number.

It is an amenable number.

75276049 is a deficient number, since it is larger than the sum of its proper divisors (1).

75276049 is an equidigital number, since it uses as much as digits as its factorization.

75276049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 75276049 is about 8676.1770959334. The cubic root of 75276049 is about 422.2330963676.

The spelling of 75276049 in words is "seventy-five million, two hundred seventy-six thousand, forty-nine".