Base | Representation |
---|---|
bin | 1011101011010… |
… | …1111111101001 |
3 | 10102011102212001 |
4 | 2322311333221 |
5 | 100014324240 |
6 | 4505451001 |
7 | 1133215450 |
oct | 272657751 |
9 | 112142761 |
10 | 48979945 |
11 | 257143a3 |
12 | 144a0a61 |
13 | a1bc021 |
14 | 670db97 |
15 | 447789a |
hex | 2eb5fe9 |
48979945 has 8 divisors (see below), whose sum is σ = 67172544. Its totient is φ = 33586224.
The previous prime is 48979939. The next prime is 48979961. The reversal of 48979945 is 54997984.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 48979945 - 27 = 48979817 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699679 + ... + 699748.
It is an arithmetic number, because the mean of its divisors is an integer number (8396568).
Almost surely, 248979945 is an apocalyptic number.
It is an amenable number.
48979945 is a deficient number, since it is larger than the sum of its proper divisors (18192599).
48979945 is a wasteful number, since it uses less digits than its factorization.
48979945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1399439.
The product of its digits is 3265920, while the sum is 55.
The square root of 48979945 is about 6998.5673533946. The cubic root of 48979945 is about 365.8806408047.
The spelling of 48979945 in words is "forty-eight million, nine hundred seventy-nine thousand, nine hundred forty-five".
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