Base | Representation |
---|---|
bin | 1101101111001… |
… | …1100000000001 |
3 | 11000102102102220 |
4 | 3123303200001 |
5 | 104222323411 |
6 | 5415001253 |
7 | 1266523512 |
oct | 333634001 |
9 | 130372386 |
10 | 57620481 |
11 | 2a586136 |
12 | 17369229 |
13 | bc25b79 |
14 | 791ca09 |
15 | 50d2b06 |
hex | 36f3801 |
57620481 has 8 divisors (see below), whose sum is σ = 77414304. Its totient is φ = 38120160.
The previous prime is 57620471. The next prime is 57620491. The reversal of 57620481 is 18402675.
It is an interprime number because it is at equal distance from previous prime (57620471) and next prime (57620491).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57620481 - 218 = 57358337 is a prime.
It is a super-2 number, since 2×576204812 = 6640239661342722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (57620411) 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, 72916 + ... + 73701.
It is an arithmetic number, because the mean of its divisors is an integer number (9676788).
Almost surely, 257620481 is an apocalyptic number.
It is an amenable number.
57620481 is a deficient number, since it is larger than the sum of its proper divisors (19793823).
57620481 is a wasteful number, since it uses less digits than its factorization.
57620481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146751.
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 57620481 is about 7590.8155688305. The cubic root of 57620481 is about 386.2415220016.
The spelling of 57620481 in words is "fifty-seven million, six hundred twenty thousand, four hundred eighty-one".
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