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11320749 = 331147811
BaseRepresentation
bin101011001011…
…110110101101
3210022011011000
4223023312231
510344230444
61042350513
7165140046
oct53136655
923264130
1011320749
1164324a0
12395b439
132464a8b
1417098cd
15ed9469
hexacbdad

11320749 has 32 divisors (see below), whose sum is σ = 18708480. Its totient is φ = 6706800.

The previous prime is 11320733. The next prime is 11320753. The reversal of 11320749 is 94702311.

It is not a de Polignac number, because 11320749 - 24 = 11320733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13554 + ... + 14364.

It is an arithmetic number, because the mean of its divisors is an integer number (584640).

Almost surely, 211320749 is an apocalyptic number.

It is an amenable number.

11320749 is a deficient number, since it is larger than the sum of its proper divisors (7387731).

11320749 is a wasteful number, since it uses less digits than its factorization.

11320749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 11320749 is about 3364.6320749823. The cubic root of 11320749 is about 224.5389670837.

The spelling of 11320749 in words is "eleven million, three hundred twenty thousand, seven hundred forty-nine".

Divisors: 1 3 9 11 27 33 47 99 141 297 423 517 811 1269 1551 2433 4653 7299 8921 13959 21897 26763 38117 80289 114351 240867 343053 419287 1029159 1257861 3773583 11320749