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9920794 = 213381569
BaseRepresentation
bin100101110110…
…000100011010
3200200000202211
4211312010122
510014431134
6552345334
7150216412
oct45660432
920600684
109920794
115666704
1233a524a
1320947c0
141463642
15d0e764
hex97611a

9920794 has 8 divisors (see below), whose sum is σ = 16025940. Its totient is φ = 4578816.

The previous prime is 9920783. The next prime is 9920803. The reversal of 9920794 is 4970299.

It can be written as a sum of positive squares in 2 ways, for example, as 7924225 + 1996569 = 2815^2 + 1413^2 .

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

It is an unprimeable number.

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, 190759 + ... + 190810.

Almost surely, 29920794 is an apocalyptic number.

9920794 is a deficient number, since it is larger than the sum of its proper divisors (6105146).

9920794 is a wasteful number, since it uses less digits than its factorization.

9920794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381584.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 9920794 is about 3149.7291947086. The cubic root of 9920794 is about 214.8731467306.

The spelling of 9920794 in words is "nine million, nine hundred twenty thousand, seven hundred ninety-four".

Divisors: 1 2 13 26 381569 763138 4960397 9920794