Base | Representation |
---|---|
bin | 1011001101111… |
… | …1011111000100 |
3 | 10021112112020002 |
4 | 2303133133010 |
5 | 44021141430 |
6 | 4400300432 |
7 | 1110641000 |
oct | 263373704 |
9 | 107475202 |
10 | 47052740 |
11 | 24618469 |
12 | 13911718 |
13 | 9995a77 |
14 | 636b700 |
15 | 41e6845 |
hex | 2cdf7c4 |
47052740 has 96 divisors (see below), whose sum is σ = 121632000. Its totient is φ = 15283296.
The previous prime is 47052739. The next prime is 47052749. The reversal of 47052740 is 4725074.
It is not an unprimeable number, because it can be changed into a prime (47052749) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2476451 + ... + 2476469.
It is an arithmetic number, because the mean of its divisors is an integer number (1267000).
Almost surely, 247052740 is an apocalyptic number.
It is a pronic number, being equal to 6859×6860.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47052740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60816000).
47052740 is an abundant number, since it is smaller than the sum of its proper divisors (74579260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47052740 is an equidigital number, since it uses as much as digits as its factorization.
47052740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87 (or 33 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 29.
The square root of 47052740 is about 6859.4999817771. The cubic root of 47052740 is about 361.0175430071.
The spelling of 47052740 in words is "forty-seven million, fifty-two thousand, seven hundred forty".
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