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11930390 = 255973277
BaseRepresentation
bin101101100000…
…101100010110
3211110010102022
4231200230112
511023233030
61103413142
7203256323
oct55405426
924403368
1011930390
11680952a
123bb41b2
132619404
141827b4a
1510a9de5
hexb60b16

11930390 has 32 divisors (see below), whose sum is σ = 22217760. Its totient is φ = 4610304.

The previous prime is 11930363. The next prime is 11930407. The reversal of 11930390 is 9303911.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 42932 + ... + 43208.

It is an arithmetic number, because the mean of its divisors is an integer number (694305).

Almost surely, 211930390 is an apocalyptic number.

11930390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11930390 is a deficient number, since it is larger than the sum of its proper divisors (10287370).

11930390 is a wasteful number, since it uses less digits than its factorization.

11930390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 11930390 is about 3454.0396639298. The cubic root of 11930390 is about 228.4993033223.

It can be divided in two parts, 1 and 1930390, that added together give a palindrome (1930391).

The spelling of 11930390 in words is "eleven million, nine hundred thirty thousand, three hundred ninety".

Divisors: 1 2 5 10 59 73 118 146 277 295 365 554 590 730 1385 2770 4307 8614 16343 20221 21535 32686 40442 43070 81715 101105 163430 202210 1193039 2386078 5965195 11930390