Base | Representation |
---|---|
bin | 1011010000001… |
… | …0110111110000 |
3 | 10021210220001020 |
4 | 2310002313300 |
5 | 44040311210 |
6 | 4403335440 |
7 | 1112113365 |
oct | 264026760 |
9 | 107726036 |
10 | 47197680 |
11 | 24707352 |
12 | 13981580 |
13 | 9a16a2a |
14 | 63a846c |
15 | 4224770 |
hex | 2d02df0 |
47197680 has 40 divisors (see below), whose sum is σ = 146313552. Its totient is φ = 12585984.
The previous prime is 47197673. The next prime is 47197693. The reversal of 47197680 is 8679174.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98089 + ... + 98568.
Almost surely, 247197680 is an apocalyptic number.
47197680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47197680 is an abundant number, since it is smaller than the sum of its proper divisors (99115872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47197680 is a wasteful number, since it uses less digits than its factorization.
47197680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196673 (or 196667 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 47197680 is about 6870.0567683244. The cubic root of 47197680 is about 361.3878526263.
The spelling of 47197680 in words is "forty-seven million, one hundred ninety-seven thousand, six hundred eighty".
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