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11669361 = 3112173161
BaseRepresentation
bin101100100000…
…111101110001
3210221212100120
4230200331301
510441404421
61054040453
7201121314
oct54407561
923855316
1011669361
116650400
123aa9129
132557662
14179a97b
1510578c6
hexb20f71

11669361 has 48 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 6336000.

The previous prime is 11669353. The next prime is 11669387. The reversal of 11669361 is 16396611.

11669361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11669361 - 23 = 11669353 is a prime.

It is a super-2 number, since 2×116693612 = 272347972296642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191271 + ... + 191331.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 211669361 is an apocalyptic number.

11669361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11669361 is a deficient number, since it is larger than the sum of its proper divisors (7329423).

11669361 is a wasteful number, since it uses less digits than its factorization.

11669361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 123 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 11669361 is about 3416.0446425654. The cubic root of 11669361 is about 226.8205287043.

The spelling of 11669361 in words is "eleven million, six hundred sixty-nine thousand, three hundred sixty-one".

Divisors: 1 3 11 17 31 33 51 61 93 121 183 187 341 363 527 561 671 1023 1037 1581 1891 2013 2057 3111 3751 5673 5797 6171 7381 11253 11407 17391 20801 22143 32147 34221 62403 63767 96441 125477 191301 228811 353617 376431 686433 1060851 3889787 11669361