Base | Representation |
---|---|
bin | 1011010111110… |
… | …1000111110100 |
3 | 10022202022221011 |
4 | 2311331013310 |
5 | 44202322140 |
6 | 4422202004 |
7 | 1116300310 |
oct | 265750764 |
9 | 108668834 |
10 | 47698420 |
11 | 24a19590 |
12 | 13b83304 |
13 | 9b60923 |
14 | 6498b40 |
15 | 42c2cea |
hex | 2d7d1f4 |
47698420 has 96 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 14528640.
The previous prime is 47698411. The next prime is 47698451. The reversal of 47698420 is 2489674.
47698420 = T1 + T2 + ... + T658.
47698420 is a nontrivial binomial coefficient, being equal to C(660, 3).
It is a congruent number.
It is an unprimeable number.
It is the 658-th tetrahedral number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72051 + ... + 72709.
It is an arithmetic number, because the mean of its divisors is an integer number (1330560).
Almost surely, 247698420 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 47698420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).
47698420 is an abundant number, since it is smaller than the sum of its proper divisors (80035340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47698420 is a wasteful number, since it uses less digits than its factorization.
47698420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 733 (or 731 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 47698420 is about 6906.4042742950. The cubic root of 47698420 is about 362.6613978083.
The spelling of 47698420 in words is "forty-seven million, six hundred ninety-eight thousand, four hundred twenty".
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