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1081292926 = 271933112281
BaseRepresentation
bin100000001110011…
…0011100001111110
32210100122101001011
41000130303201332
54203302333201
6255143505434
735536560340
oct10034634176
92710571034
101081292926
115053a841a
1226215827a
13143030bcc
14a386d290
1564ddd151
hex4073387e

1081292926 has 32 divisors (see below), whose sum is σ = 1957259520. Its totient is φ = 437659200.

The previous prime is 1081292897. The next prime is 1081292929. The reversal of 1081292926 is 6292921801.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081292929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81906 + ... + 94186.

It is an arithmetic number, because the mean of its divisors is an integer number (61164360).

Almost surely, 21081292926 is an apocalyptic number.

1081292926 is a deficient number, since it is larger than the sum of its proper divisors (875966594).

1081292926 is a wasteful number, since it uses less digits than its factorization.

1081292926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12640.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1081292926 is about 32883.0188091057. The cubic root of 1081292926 is about 1026.3948255423.

The spelling of 1081292926 in words is "one billion, eighty-one million, two hundred ninety-two thousand, nine hundred twenty-six".

Divisors: 1 2 7 14 19 38 133 266 331 662 2317 4634 6289 12281 12578 24562 44023 85967 88046 171934 233339 466678 1633373 3266746 4065011 8130022 28455077 56910154 77235209 154470418 540646463 1081292926