Base | Representation |
---|---|
bin | 1011011011001… |
… | …1011010010100 |
3 | 10100011121222000 |
4 | 2312303122110 |
5 | 44231431123 |
6 | 4431035300 |
7 | 1121214516 |
oct | 266633224 |
9 | 110147860 |
10 | 47920788 |
11 | 25060663 |
12 | 1406bb30 |
13 | 9c0abc6 |
14 | 6515bb6 |
15 | 4318b43 |
hex | 2db3694 |
47920788 has 24 divisors (see below), whose sum is σ = 124239360. Its totient is φ = 15973560.
The previous prime is 47920787. The next prime is 47920837. The reversal of 47920788 is 88702974.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47920787) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221748 + ... + 221963.
It is an arithmetic number, because the mean of its divisors is an integer number (5176640).
Almost surely, 247920788 is an apocalyptic number.
It is an amenable number.
47920788 is an abundant number, since it is smaller than the sum of its proper divisors (76318572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47920788 is a wasteful number, since it uses less digits than its factorization.
47920788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443724 (or 443716 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The square root of 47920788 is about 6922.4842361684. The cubic root of 47920788 is about 363.2240949458.
The spelling of 47920788 in words is "forty-seven million, nine hundred twenty thousand, seven hundred eighty-eight".
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