Base | Representation |
---|---|
bin | 1011001111011… |
… | …1000101010100 |
3 | 10021201102210221 |
4 | 2303313011110 |
5 | 44032240041 |
6 | 4402324124 |
7 | 1111522540 |
oct | 263670524 |
9 | 107642727 |
10 | 47149396 |
11 | 24684048 |
12 | 13959644 |
13 | 99caa68 |
14 | 6394a20 |
15 | 42152d1 |
hex | 2cf7154 |
47149396 has 48 divisors (see below), whose sum is σ = 98364672. Its totient is φ = 19353600.
The previous prime is 47149391. The next prime is 47149397. The reversal of 47149396 is 69394174.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47149391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73236 + ... + 73876.
It is an arithmetic number, because the mean of its divisors is an integer number (2049264).
Almost surely, 247149396 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47149396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49182336).
47149396 is an abundant number, since it is smaller than the sum of its proper divisors (51215276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47149396 is a wasteful number, since it uses less digits than its factorization.
47149396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760 (or 758 counting only the distinct ones).
The product of its digits is 163296, while the sum is 43.
The square root of 47149396 is about 6866.5417787996. The cubic root of 47149396 is about 361.2645753469.
The spelling of 47149396 in words is "forty-seven million, one hundred forty-nine thousand, three hundred ninety-six".
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