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75272203 is a prime number
BaseRepresentation
bin1000111110010…
…01000000001011
312020122020001101
410133021000023
5123232202303
611245202231
71602542326
oct437110013
9166566041
1075272203
1139542136
1221260377
1312796486
149dd57bd
15691cd1d
hex47c900b

75272203 has 2 divisors, whose sum is σ = 75272204. Its totient is φ = 75272202.

The previous prime is 75272191. The next prime is 75272221. The reversal of 75272203 is 30227257.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75272203 is a prime.

It is not a weakly prime, because it can be changed into another prime (75272273) 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, 37636101 + 37636102.

It is an arithmetic number, because the mean of its divisors is an integer number (37636102).

Almost surely, 275272203 is an apocalyptic number.

75272203 is a deficient number, since it is larger than the sum of its proper divisors (1).

75272203 is an equidigital number, since it uses as much as digits as its factorization.

75272203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 75272203 is about 8675.9554517067. The cubic root of 75272203 is about 422.2259053413.

It can be divided in two parts, 7527 and 2203, that added together give a triangular number (9730 = T139).

The spelling of 75272203 in words is "seventy-five million, two hundred seventy-two thousand, two hundred three".