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11305390 = 253136469
BaseRepresentation
bin101011001000…
…000110101110
3210021101002011
4223020012232
510343233030
61042151434
7165044215
oct53100656
923241064
1011305390
1164219a8
12395257a
13245aaa5
14170407c
15ed4b2a
hexac81ae

11305390 has 16 divisors (see below), whose sum is σ = 21006720. Its totient is φ = 4376160.

The previous prime is 11305373. The next prime is 11305409. The reversal of 11305390 is 9350311.

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 7 ways as a sum of consecutive naturals, for example, 17925 + ... + 18544.

It is an arithmetic number, because the mean of its divisors is an integer number (1312920).

Almost surely, 211305390 is an apocalyptic number.

11305390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11305390 is a deficient number, since it is larger than the sum of its proper divisors (9701330).

11305390 is a wasteful number, since it uses less digits than its factorization.

11305390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36507.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 11305390 is about 3362.3488813626. The cubic root of 11305390 is about 224.4373761966.

The spelling of 11305390 in words is "eleven million, three hundred five thousand, three hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 36469 72938 182345 364690 1130539 2261078 5652695 11305390