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9985930 = 2537137197
BaseRepresentation
bin100110000101…
…111110001010
3200210100010021
4212011332022
510024022210
6554011054
7150610333
oct46057612
920710107
109985930
115700639
123416a8a
1320b8346
14147d28a
15d23bda
hex985f8a

9985930 has 32 divisors (see below), whose sum is σ = 18689616. Its totient is φ = 3838464.

The previous prime is 9985909. The next prime is 9985961. The reversal of 9985930 is 395899.

9985930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9308601 + 677329 = 3051^2 + 823^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50592 + ... + 50788.

Almost surely, 29985930 is an apocalyptic number.

9985930 is a deficient number, since it is larger than the sum of its proper divisors (8703686).

9985930 is a wasteful number, since it uses less digits than its factorization.

9985930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 9985930 is about 3160.0522147585. The cubic root of 9985930 is about 215.3423785900.

The spelling of 9985930 in words is "nine million, nine hundred eighty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 37 74 137 185 197 274 370 394 685 985 1370 1970 5069 7289 10138 14578 25345 26989 36445 50690 53978 72890 134945 269890 998593 1997186 4992965 9985930