Base | Representation |
---|---|
bin | 1011011011111… |
… | …1010010110100 |
3 | 10100021002201200 |
4 | 2312333102310 |
5 | 44240010320 |
6 | 4432052500 |
7 | 1121506440 |
oct | 266772264 |
9 | 110232650 |
10 | 47969460 |
11 | 25094190 |
12 | 14094130 |
13 | 9c270c6 |
14 | 6529820 |
15 | 4328290 |
hex | 2dbf4b4 |
47969460 has 144 divisors (see below), whose sum is σ = 181464192. Its totient is φ = 9964800.
The previous prime is 47969447. The next prime is 47969477. The reversal of 47969460 is 6496974.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12130 + ... + 15590.
It is an arithmetic number, because the mean of its divisors is an integer number (1260168).
Almost surely, 247969460 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 47969460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90732096).
47969460 is an abundant number, since it is smaller than the sum of its proper divisors (133494732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47969460 is a wasteful number, since it uses less digits than its factorization.
47969460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3494 (or 3489 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 47969460 is about 6925.9988449320. The cubic root of 47969460 is about 363.3470260156.
The spelling of 47969460 in words is "forty-seven million, nine hundred sixty-nine thousand, four hundred sixty".
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