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8284081 = 13679511
BaseRepresentation
bin11111100110011110110001
3120120212121211
4133212132301
54110042311
6453320121
7130261561
oct37463661
916525554
108284081
114748a53
122936041
131940830
141158da1
15ad9821
hex7e67b1

8284081 has 8 divisors (see below), whose sum is σ = 9055424. Its totient is φ = 7531920.

The previous prime is 8284069. The next prime is 8284093. The reversal of 8284081 is 1804828.

It is an interprime number because it is at equal distance from previous prime (8284069) and next prime (8284093).

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 8284081 - 217 = 8153009 is a prime.

It is a super-2 number, since 2×82840812 = 137251996029122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8284051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3885 + ... + 5626.

It is an arithmetic number, because the mean of its divisors is an integer number (1131928).

Almost surely, 28284081 is an apocalyptic number.

It is an amenable number.

8284081 is a deficient number, since it is larger than the sum of its proper divisors (771343).

8284081 is a wasteful number, since it uses less digits than its factorization.

8284081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 8284081 is about 2878.2079494018. The cubic root of 8284081 is about 202.3398601832.

It can be divided in two parts, 8 and 284081, that added together give a square (284089 = 5332).

The spelling of 8284081 in words is "eight million, two hundred eighty-four thousand, eighty-one".

Divisors: 1 13 67 871 9511 123643 637237 8284081