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9890930 = 2571011399
BaseRepresentation
bin100101101110…
…110001110010
3200121111210202
4211232301302
510013002210
6551555202
7150033350
oct45566162
920544722
109890930
115646225
12338bb02
13208402a
1414567d0
15d059a5
hex96ec72

9890930 has 32 divisors (see below), whose sum is σ = 20563200. Its totient is φ = 3355200.

The previous prime is 9890917. The next prime is 9890941. The reversal of 9890930 is 390989.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 6371 + ... + 7769.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 29890930 is an apocalyptic number.

9890930 is an abundant number, since it is smaller than the sum of its proper divisors (10672270).

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

9890930 is a wasteful number, since it uses less digits than its factorization.

9890930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9890930 is about 3144.9848966251. The cubic root of 9890930 is about 214.6573232348.

The spelling of 9890930 in words is "nine million, eight hundred ninety thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1399 1414 2798 3535 6995 7070 9793 13990 19586 48965 97930 141299 282598 706495 989093 1412990 1978186 4945465 9890930