Base | Representation |
---|---|
bin | 100000000110000… |
… | …110100101000000 |
3 | 1101112020010222000 |
4 | 200012012211000 |
5 | 2100322030340 |
6 | 125233144000 |
7 | 16225632324 |
oct | 4006064500 |
9 | 1345203860 |
10 | 538470720 |
11 | 256a53027 |
12 | 1303bb000 |
13 | 87734838 |
14 | 5172b984 |
15 | 32416d30 |
hex | 20186940 |
538470720 has 112 divisors (see below), whose sum is σ = 1899635520. Its totient is φ = 143589888.
The previous prime is 538470719. The next prime is 538470721. The reversal of 538470720 is 27074835.
It is an interprime number because it is at equal distance from previous prime (538470719) and next prime (538470721).
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 (538470721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22522 + ... + 39801.
Almost surely, 2538470720 is an apocalyptic number.
It is an amenable number.
538470720 is an abundant number, since it is smaller than the sum of its proper divisors (1361164800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538470720 is a wasteful number, since it uses less digits than its factorization.
538470720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62349 (or 62333 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 538470720 is about 23204.9718810431. The cubic root of 538470720 is about 813.5558350910. Note that the first 3 decimals are identical.
The spelling of 538470720 in words is "five hundred thirty-eight million, four hundred seventy thousand, seven hundred twenty".
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