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11738109 = 317475983
BaseRepresentation
bin101100110001…
…101111111101
3211002100122210
4230301233331
511001104414
61055331033
7201525615
oct54615775
924070583
1011738109
116698019
123b20a79
13257ca36
1417b7a45
15106ce59
hexb31bfd

11738109 has 32 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 7000832.

The previous prime is 11738107. The next prime is 11738117. The reversal of 11738109 is 90183711.

11738109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11738109 - 21 = 11738107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11738107) 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, 141382 + ... + 141464.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 211738109 is an apocalyptic number.

It is an amenable number.

11738109 is a deficient number, since it is larger than the sum of its proper divisors (5680131).

11738109 is a wasteful number, since it uses less digits than its factorization.

11738109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11738109 is about 3426.0923805408. The cubic root of 11738109 is about 227.2650813379.

It can be divided in two parts, 117 and 38109, that added together give a triangular number (38226 = T276).

The spelling of 11738109 in words is "eleven million, seven hundred thirty-eight thousand, one hundred nine".

Divisors: 1 3 17 47 51 59 83 141 177 249 799 1003 1411 2397 2773 3009 3901 4233 4897 8319 11703 14691 47141 66317 83249 141423 198951 230159 249747 690477 3912703 11738109