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127306506 = 23171248103
BaseRepresentation
bin1111001011010…
…00101100001010
322212112211200210
413211220230022
5230042302011
620344341550
73104041665
oct745505412
9285484623
10127306506
1165952298
12367748b6
13204b47c2
1412c9c6dc
15b29a6a6
hex7968b0a

127306506 has 16 divisors (see below), whose sum is σ = 269590464. Its totient is φ = 39939264.

The previous prime is 127306481. The next prime is 127306511. The reversal of 127306506 is 605603721.

It is an unprimeable number.

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, 623950 + ... + 624153.

It is an arithmetic number, because the mean of its divisors is an integer number (16849404).

Almost surely, 2127306506 is an apocalyptic number.

127306506 is an abundant number, since it is smaller than the sum of its proper divisors (142283958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127306506 is a wasteful number, since it uses less digits than its factorization.

127306506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248125.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 127306506 is about 11283.0184791128. The cubic root of 127306506 is about 503.0566174361.

The spelling of 127306506 in words is "one hundred twenty-seven million, three hundred six thousand, five hundred six".

Divisors: 1 2 3 6 17 34 51 102 1248103 2496206 3744309 7488618 21217751 42435502 63653253 127306506