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4805281 = 13369637
BaseRepresentation
bin10010010101001010100001
3100001010121101
4102111022201
52212232111
6250554401
755562365
oct22251241
910033541
104805281
112792308
121738a01
13cc3280
148d12a5
1564dbc1
hex4952a1

4805281 has 4 divisors (see below), whose sum is σ = 5174932. Its totient is φ = 4435632.

The previous prime is 4805267. The next prime is 4805287. The reversal of 4805281 is 1825084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 1846881 = 1720^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 4805281 - 25 = 4805249 is a prime.

It is a super-2 number, since 2×48052812 = 46181450977922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4805287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184806 + ... + 184831.

It is an arithmetic number, because the mean of its divisors is an integer number (1293733).

Almost surely, 24805281 is an apocalyptic number.

It is an amenable number.

4805281 is a deficient number, since it is larger than the sum of its proper divisors (369651).

4805281 is a wasteful number, since it uses less digits than its factorization.

4805281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369650.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 4805281 is about 2192.0951165495. The cubic root of 4805281 is about 168.7483738298.

The spelling of 4805281 in words is "four million, eight hundred five thousand, two hundred eighty-one".

Divisors: 1 13 369637 4805281