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127976401 = 731589753
BaseRepresentation
bin1111010000011…
…00001111010001
322220210212121201
413220030033101
5230230221101
620410551201
73112532020
oct750141721
9286725551
10127976401
116626a623
1236a38501
132068a6a7
1412dd48b7
15b37de01
hex7a0c3d1

127976401 has 8 divisors (see below), whose sum is σ = 150977024. Its totient is φ = 106155360.

The previous prime is 127976383. The next prime is 127976411. The reversal of 127976401 is 104679721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127976401 - 213 = 127968209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127976411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294660 + ... + 295093.

It is an arithmetic number, because the mean of its divisors is an integer number (18872128).

Almost surely, 2127976401 is an apocalyptic number.

It is an amenable number.

127976401 is a deficient number, since it is larger than the sum of its proper divisors (23000623).

127976401 is an equidigital number, since it uses as much as digits as its factorization.

127976401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589791.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 127976401 is about 11312.6655126014. The cubic root of 127976401 is about 503.9374463076.

The spelling of 127976401 in words is "one hundred twenty-seven million, nine hundred seventy-six thousand, four hundred one".

Divisors: 1 7 31 217 589753 4128271 18282343 127976401