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11664345 = 3571110099
BaseRepresentation
bin101100011111…
…101111011001
3210221121110210
4230133233121
510441224340
61054001333
7201100560
oct54375731
923847423
1011664345
116647660
123aa6249
1325552a4
141798bd7
151056180
hexb1fbd9

11664345 has 32 divisors (see below), whose sum is σ = 23270400. Its totient is φ = 4847040.

The previous prime is 11664343. The next prime is 11664353. The reversal of 11664345 is 54346611.

It is not a de Polignac number, because 11664345 - 21 = 11664343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11664343) 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, 3895 + ... + 6204.

It is an arithmetic number, because the mean of its divisors is an integer number (727200).

Almost surely, 211664345 is an apocalyptic number.

11664345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11664345 is a deficient number, since it is larger than the sum of its proper divisors (11606055).

11664345 is a wasteful number, since it uses less digits than its factorization.

11664345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125.

The product of its digits is 8640, while the sum is 30.

The square root of 11664345 is about 3415.3103812099. The cubic root of 11664345 is about 226.7880249300.

The spelling of 11664345 in words is "eleven million, six hundred sixty-four thousand, three hundred forty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 10099 30297 50495 70693 111089 151485 212079 333267 353465 555445 777623 1060395 1666335 2332869 3888115 11664345