Base | Representation |
---|---|
bin | 1011010000110… |
… | …0100101100000 |
3 | 10021212220122000 |
4 | 2310030211200 |
5 | 44043044342 |
6 | 4404244000 |
7 | 1112340402 |
oct | 264144540 |
9 | 107786560 |
10 | 47237472 |
11 | 24734237 |
12 | 139a0600 |
13 | 9a2bb89 |
14 | 63b8b72 |
15 | 423144c |
hex | 2d0c960 |
47237472 has 48 divisors (see below), whose sum is σ = 137778480. Its totient is φ = 15745536.
The previous prime is 47237471. The next prime is 47237473. The reversal of 47237472 is 27473274.
It is an interprime number because it is at equal distance from previous prime (47237471) and next prime (47237473).
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47237471) 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, 26473 + ... + 28200.
It is an arithmetic number, because the mean of its divisors is an integer number (2870385).
Almost surely, 247237472 is an apocalyptic number.
It is an amenable number.
47237472 is an abundant number, since it is smaller than the sum of its proper divisors (90541008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47237472 is a wasteful number, since it uses less digits than its factorization.
47237472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54692 (or 54678 counting only the distinct ones).
The product of its digits is 65856, while the sum is 36.
The square root of 47237472 is about 6872.9522041114. The cubic root of 47237472 is about 361.4893852017.
The spelling of 47237472 in words is "forty-seven million, two hundred thirty-seven thousand, four hundred seventy-two".
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