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11071930 = 251765129
BaseRepresentation
bin101010001111…
…000110111010
3202211111211111
4222033012322
510313300210
61033150534
7163052452
oct52170672
922744744
1011071930
116282561
12385b44a
1323a874c
141682d62
15e8a88a
hexa8f1ba

11071930 has 16 divisors (see below), whose sum is σ = 21102120. Its totient is φ = 4168192.

The previous prime is 11071883. The next prime is 11071943. The reversal of 11071930 is 3917011.

It can be written as a sum of positive squares in 4 ways, for example, as 7935489 + 3136441 = 2817^2 + 1771^2 .

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 7 ways as a sum of consecutive naturals, for example, 32395 + ... + 32734.

Almost surely, 211071930 is an apocalyptic number.

11071930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11071930 is a deficient number, since it is larger than the sum of its proper divisors (10030190).

11071930 is a wasteful number, since it uses less digits than its factorization.

11071930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65153.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 11071930 is about 3327.4509763481. The cubic root of 11071930 is about 222.8817165148.

Adding to 11071930 its reverse (3917011), we get a palindrome (14988941).

The spelling of 11071930 in words is "eleven million, seventy-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 65129 130258 325645 651290 1107193 2214386 5535965 11071930