Base | Representation |
---|---|
bin | 1011011011000… |
… | …1111101001110 |
3 | 10100011022210100 |
4 | 2312301331032 |
5 | 44231233310 |
6 | 4430551530 |
7 | 1121161245 |
oct | 266617516 |
9 | 110138710 |
10 | 47914830 |
11 | 25057137 |
12 | 140685a6 |
13 | 9c08292 |
14 | 651395c |
15 | 4316ec0 |
hex | 2db1f4e |
47914830 has 48 divisors (see below), whose sum is σ = 125409024. Its totient is φ = 12692160.
The previous prime is 47914813. The next prime is 47914859. The reversal of 47914830 is 3841974.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12435 + ... + 15825.
It is an arithmetic number, because the mean of its divisors is an integer number (2612688).
Almost surely, 247914830 is an apocalyptic number.
47914830 is the 5652-nd pentagonal number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47914830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62704512).
47914830 is an abundant number, since it is smaller than the sum of its proper divisors (77494194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47914830 is a wasteful number, since it uses less digits than its factorization.
47914830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3561 (or 3558 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 47914830 is about 6922.0538859503. The cubic root of 47914830 is about 363.2090410834.
The spelling of 47914830 in words is "forty-seven million, nine hundred fourteen thousand, eight hundred thirty".
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