Base | Representation |
---|---|
bin | 1011101000010… |
… | …1100100100001 |
3 | 10101210100202222 |
4 | 2322011210201 |
5 | 44442002401 |
6 | 4501320425 |
7 | 1131431261 |
oct | 272054441 |
9 | 111710688 |
10 | 48781601 |
11 | 25599380 |
12 | 14406115 |
13 | a14c96b |
14 | 669b7a1 |
15 | 4438c1b |
hex | 2e85921 |
48781601 has 4 divisors (see below), whose sum is σ = 53216304. Its totient is φ = 44346900.
The previous prime is 48781553. The next prime is 48781661. The reversal of 48781601 is 10618784.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 48781601 - 214 = 48765217 is a prime.
It is a super-2 number, since 2×487816012 = 4759289192246402, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48781661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217335 + ... + 2217356.
It is an arithmetic number, because the mean of its divisors is an integer number (13304076).
Almost surely, 248781601 is an apocalyptic number.
It is an amenable number.
48781601 is a deficient number, since it is larger than the sum of its proper divisors (4434703).
48781601 is a wasteful number, since it uses less digits than its factorization.
48781601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4434702.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 48781601 is about 6984.3826498840. The cubic root of 48781601 is about 365.3860954803.
The spelling of 48781601 in words is "forty-eight million, seven hundred eighty-one thousand, six hundred one".
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