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8254081 = 114311741
BaseRepresentation
bin11111011111001010000001
3120112100110201
4133133022001
54103112311
6452525201
7130105243
oct37371201
916470421
108254081
114728460
122920801
13192cc94
14114c093
15ad09c1
hex7df281

8254081 has 8 divisors (see below), whose sum is σ = 9030528. Its totient is φ = 7482000.

The previous prime is 8254073. The next prime is 8254097. The reversal of 8254081 is 1804528.

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 8254081 - 23 = 8254073 is a prime.

It is a super-2 number, since 2×82540812 = 136259706309122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8254381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3871 + ... + 5611.

It is an arithmetic number, because the mean of its divisors is an integer number (1128816).

Almost surely, 28254081 is an apocalyptic number.

It is an amenable number.

8254081 is a deficient number, since it is larger than the sum of its proper divisors (776447).

8254081 is a wasteful number, since it uses less digits than its factorization.

8254081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

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

The square root of 8254081 is about 2872.9916463505. The cubic root of 8254081 is about 202.0953133177.

It can be divided in two parts, 82540 and 81, that added together give a triangular number (82621 = T406).

The spelling of 8254081 in words is "eight million, two hundred fifty-four thousand, eighty-one".

Divisors: 1 11 431 1741 4741 19151 750371 8254081