Base | Representation |
---|---|
bin | 1011101001011… |
… | …1111110111001 |
3 | 10101221012020011 |
4 | 2322113332321 |
5 | 100001411032 |
6 | 4503101521 |
7 | 1132164166 |
oct | 272277671 |
9 | 111835204 |
10 | 48857017 |
11 | 25640000 |
12 | 144418a1 |
13 | a1780a1 |
14 | 66bb06d |
15 | 4451247 |
hex | 2e97fb9 |
48857017 has 20 divisors (see below), whose sum is σ = 55658880. Its totient is φ = 42858200.
The previous prime is 48856993. The next prime is 48857041. The reversal of 48857017 is 71075884.
It is an interprime number because it is at equal distance from previous prime (48856993) and next prime (48857041).
It is not a de Polignac number, because 48857017 - 211 = 48854969 is a prime.
It is a super-2 number, since 2×488570172 = 4774016220276578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48857047) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 688092 + ... + 688162.
It is an arithmetic number, because the mean of its divisors is an integer number (2782944).
Almost surely, 248857017 is an apocalyptic number.
48857017 is a gapful number since it is divisible by the number (47) formed by its first and last digit.
It is an amenable number.
48857017 is a deficient number, since it is larger than the sum of its proper divisors (6801863).
48857017 is an frugal number, since it uses more digits than its factorization.
48857017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162 (or 129 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 40.
The square root of 48857017 is about 6989.7794671935. The cubic root of 48857017 is about 365.5742932773.
The spelling of 48857017 in words is "forty-eight million, eight hundred fifty-seven thousand, seventeen".
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