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127315442 = 2233178731
BaseRepresentation
bin1111001011010…
…10110111110010
322212120021221202
413211222313302
5230043043232
620344451202
73104110022
oct745526762
9285507852
10127315442
1165958a81
1236779b02
13204b88a7
1412ca1a82
15b29d162
hex796adf2

127315442 has 16 divisors (see below), whose sum is σ = 199927872. Its totient is φ = 60690960.

The previous prime is 127315439. The next prime is 127315493. The reversal of 127315442 is 244513721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10217 + ... + 18947.

It is an arithmetic number, because the mean of its divisors is an integer number (12495492).

Almost surely, 2127315442 is an apocalyptic number.

127315442 is a deficient number, since it is larger than the sum of its proper divisors (72612430).

127315442 is a wasteful number, since it uses less digits than its factorization.

127315442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073.

The product of its digits is 6720, while the sum is 29.

The square root of 127315442 is about 11283.4144654887. The cubic root of 127315442 is about 503.0683874781.

The spelling of 127315442 in words is "one hundred twenty-seven million, three hundred fifteen thousand, four hundred forty-two".

Divisors: 1 2 23 46 317 634 7291 8731 14582 17462 200813 401626 2767727 5535454 63657721 127315442