Base | Representation |
---|---|
bin | 101101011111… |
… | …011010010010 |
3 | 211102212012210 |
4 | 231133122102 |
5 | 11023101023 |
6 | 1103332550 |
7 | 203235111 |
oct | 55373222 |
9 | 24385183 |
10 | 11925138 |
11 | 6805595 |
12 | 3bb1156 |
13 | 2616bc4 |
14 | 1825c78 |
15 | 10a8593 |
hex | b5f692 |
11925138 has 8 divisors (see below), whose sum is σ = 23850288. Its totient is φ = 3975044.
The previous prime is 11925131. The next prime is 11925149. The reversal of 11925138 is 83152911.
It is a sphenic number, since it is the product of 3 distinct primes.
11925138 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (11925131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993756 + ... + 993767.
It is an arithmetic number, because the mean of its divisors is an integer number (2981286).
Almost surely, 211925138 is an apocalyptic number.
11925138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11925138 is a wasteful number, since it uses less digits than its factorization.
11925138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1987528.
The product of its digits is 2160, while the sum is 30.
The square root of 11925138 is about 3453.2793110318. The cubic root of 11925138 is about 228.4657683894.
The spelling of 11925138 in words is "eleven million, nine hundred twenty-five thousand, one hundred thirty-eight".
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