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8230481 = 722367109
BaseRepresentation
bin11111011001011001010001
3120111011002122
4133121121101
54101333411
6452224025
7126646400
oct37313121
916434078
108230481
114711756
12290b015
13192230c
141143637
15ac89db
hex7d9651

8230481 has 24 divisors (see below), whose sum is σ = 10232640. Its totient is φ = 6586272.

The previous prime is 8230471. The next prime is 8230483. The reversal of 8230481 is 1840328.

It is not a de Polignac number, because 8230481 - 214 = 8214097 is a prime.

It is a super-2 number, since 2×82304812 = 135481634982722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8230481.

It is not an unprimeable number, because it can be changed into a prime (8230483) 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 23 ways as a sum of consecutive naturals, for example, 75455 + ... + 75563.

It is an arithmetic number, because the mean of its divisors is an integer number (426360).

Almost surely, 28230481 is an apocalyptic number.

It is an amenable number.

8230481 is a deficient number, since it is larger than the sum of its proper divisors (2002159).

8230481 is a wasteful number, since it uses less digits than its factorization.

8230481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8230481 is about 2868.8814893613. The cubic root of 8230481 is about 201.9025197078.

The spelling of 8230481 in words is "eight million, two hundred thirty thousand, four hundred eighty-one".

Divisors: 1 7 23 49 67 109 161 469 763 1127 1541 2507 3283 5341 7303 10787 17549 51121 75509 122843 167969 357847 1175783 8230481