Base | Representation |
---|---|
bin | 1011010100101… |
… | …1001111110100 |
3 | 10022100221200221 |
4 | 2311023033310 |
5 | 44124303012 |
6 | 4413544124 |
7 | 1114456600 |
oct | 265131764 |
9 | 108327627 |
10 | 47494132 |
11 | 2489a054 |
12 | 13aa5044 |
13 | 9abb94a |
14 | 6444500 |
15 | 4282507 |
hex | 2d4b3f4 |
47494132 has 36 divisors (see below), whose sum is σ = 97330464. Its totient is φ = 20218800.
The previous prime is 47494127. The next prime is 47494133. The reversal of 47494132 is 23149474.
It is a happy number.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47494133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32007 + ... + 33457.
It is an arithmetic number, because the mean of its divisors is an integer number (2703624).
Almost surely, 247494132 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 47494132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48665232).
47494132 is an abundant number, since it is smaller than the sum of its proper divisors (49836332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47494132 is a wasteful number, since it uses less digits than its factorization.
47494132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1636 (or 1627 counting only the distinct ones).
The product of its digits is 24192, while the sum is 34.
The square root of 47494132 is about 6891.5986534330. The cubic root of 47494132 is about 362.1429082800.
The spelling of 47494132 in words is "forty-seven million, four hundred ninety-four thousand, one hundred thirty-two".
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