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4806481 = 139151229
BaseRepresentation
bin10010010101011101010001
3100001012020211
4102111131101
52212301411
6251004121
755566031
oct22253521
910035224
104806481
1127931a9
121739641
13cc3994
148d18c1
1564e221
hex495751

4806481 has 8 divisors (see below), whose sum is σ = 4894400. Its totient is φ = 4719600.

The previous prime is 4806469. The next prime is 4806493. The reversal of 4806481 is 1846084.

It is an interprime number because it is at equal distance from previous prime (4806469) and next prime (4806493).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4806481 - 219 = 4282193 is a prime.

It is a super-3 number, since 3×48064813 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4806401) 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 7 ways as a sum of consecutive naturals, for example, 20875 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (611800).

Almost surely, 24806481 is an apocalyptic number.

It is an amenable number.

4806481 is a deficient number, since it is larger than the sum of its proper divisors (87919).

4806481 is a wasteful number, since it uses less digits than its factorization.

4806481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4806481 is about 2192.3688102142. The cubic root of 4806481 is about 168.7624195706.

The spelling of 4806481 in words is "four million, eight hundred six thousand, four hundred eighty-one".

Divisors: 1 139 151 229 20989 31831 34579 4806481