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127683076 = 22157203317
BaseRepresentation
bin1111001110001…
…00101000000100
322220020222020211
413213010220010
5230141324301
620400405204
73110200603
oct747045004
9286228224
10127683076
116608a204
1236916804
13205b7021
1412d59a3a
15b322051
hex79c4a04

127683076 has 12 divisors (see below), whose sum is σ = 224869708. Its totient is φ = 63434592.

The previous prime is 127683071. The next prime is 127683109. The reversal of 127683076 is 670386721.

It can be written as a sum of positive squares in 2 ways, for example, as 73513476 + 54169600 = 8574^2 + 7360^2 .

It is not an unprimeable number, because it can be changed into a prime (127683071) 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 in 3 ways as a sum of consecutive naturals, for example, 101031 + ... + 102286.

Almost surely, 2127683076 is an apocalyptic number.

It is an amenable number.

127683076 is a deficient number, since it is larger than the sum of its proper divisors (97186632).

127683076 is a wasteful number, since it uses less digits than its factorization.

127683076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203478 (or 203476 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 127683076 is about 11299.6936241652. The cubic root of 127683076 is about 503.5521395166.

The spelling of 127683076 in words is "one hundred twenty-seven million, six hundred eighty-three thousand, seventy-six".

Divisors: 1 2 4 157 314 628 203317 406634 813268 31920769 63841538 127683076