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127442075 = 525097683
BaseRepresentation
bin1111001100010…
…01110010011011
322212210201122212
413212021302123
5230111121300
620351305335
73105145145
oct746116233
9285721585
10127442075
1165a35132
123681b24b
1320531417
1412cd5c95
15b2c5935
hex7989c9b

127442075 has 6 divisors (see below), whose sum is σ = 158028204. Its totient is φ = 101953640.

The previous prime is 127442071. The next prime is 127442083. The reversal of 127442075 is 570244721.

It is not a de Polignac number, because 127442075 - 22 = 127442071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127442071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2548817 + ... + 2548866.

It is an arithmetic number, because the mean of its divisors is an integer number (26338034).

Almost surely, 2127442075 is an apocalyptic number.

127442075 is a deficient number, since it is larger than the sum of its proper divisors (30586129).

127442075 is an equidigital number, since it uses as much as digits as its factorization.

127442075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097693 (or 5097688 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 127442075 is about 11289.0245371334. The cubic root of 127442075 is about 503.2351228156.

Adding to 127442075 its reverse (570244721), we get a palindrome (697686796).

The spelling of 127442075 in words is "one hundred twenty-seven million, four hundred forty-two thousand, seventy-five".

Divisors: 1 5 25 5097683 25488415 127442075