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126530908 = 2278575273
BaseRepresentation
bin1111000101010…
…11010101011100
322211002102202221
413202223111130
5224342442113
620315555124
73064331530
oct742532534
9284072687
10126530908
11654725a9
123645baa4
13202a277a
1412b39bc0
15b19598d
hex78ab55c

126530908 has 24 divisors (see below), whose sum is σ = 253405152. Its totient is φ = 54153984.

The previous prime is 126530893. The next prime is 126530917. The reversal of 126530908 is 809035621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21360 + ... + 26632.

It is an arithmetic number, because the mean of its divisors is an integer number (10558548).

Almost surely, 2126530908 is an apocalyptic number.

It is an amenable number.

126530908 is an abundant number, since it is smaller than the sum of its proper divisors (126874244).

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

126530908 is a wasteful number, since it uses less digits than its factorization.

126530908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141 (or 6139 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 126530908 is about 11248.5958234795. The cubic root of 126530908 is about 502.0329338245.

The spelling of 126530908 in words is "one hundred twenty-six million, five hundred thirty thousand, nine hundred eight".

Divisors: 1 2 4 7 14 28 857 1714 3428 5273 5999 10546 11998 21092 23996 36911 73822 147644 4518961 9037922 18075844 31632727 63265454 126530908