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11118923 = 531931087
BaseRepresentation
bin101010011010…
…100101001011
3202220220021222
4222122211023
510321301143
61034152255
7163336454
oct52324513
922826258
1011118923
1163048a2
12388268b
1323c3c5a
14169612b
15e99768
hexa9a94b

11118923 has 8 divisors (see below), whose sum is σ = 11397888. Its totient is φ = 10842624.

The previous prime is 11118917. The next prime is 11118937. The reversal of 11118923 is 32981111.

11118923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11118923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11118892 and 11118901.

It is not an unprimeable number, because it can be changed into a prime (11118623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9686 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (1424736).

Almost surely, 211118923 is an apocalyptic number.

11118923 is a deficient number, since it is larger than the sum of its proper divisors (278965).

11118923 is a wasteful number, since it uses less digits than its factorization.

11118923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333.

The product of its digits is 432, while the sum is 26.

The square root of 11118923 is about 3334.5049107776. The cubic root of 11118923 is about 223.1965998013.

It can be divided in two parts, 11 and 118923, that multiplied together give a triangular number (1308153 = T1617).

The spelling of 11118923 in words is "eleven million, one hundred eighteen thousand, nine hundred twenty-three".

Divisors: 1 53 193 1087 10229 57611 209791 11118923