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82001230 = 2541200003
BaseRepresentation
bin1001110001100…
…11110101001110
312201022002112121
410320303311032
5131443014410
612045323154
72013666433
oct470636516
9181262477
1082001230
1142318813
12235664ba
1313cb124c
14ac67b8a
1572eb9da
hex4e33d4e

82001230 has 16 divisors (see below), whose sum is σ = 151203024. Its totient is φ = 32000320.

The previous prime is 82001221. The next prime is 82001239. The reversal of 82001230 is 3210028.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82001221) and next prime (82001239).

82001230 is a modest number, since divided by 1230 gives 820 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82001239) 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, 99592 + ... + 100411.

It is an arithmetic number, because the mean of its divisors is an integer number (9450189).

Almost surely, 282001230 is an apocalyptic number.

82001230 is a deficient number, since it is larger than the sum of its proper divisors (69201794).

82001230 is a wasteful number, since it uses less digits than its factorization.

82001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200051.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 82001230 is about 9055.4530532713. The cubic root of 82001230 is about 434.4503208067.

Adding to 82001230 its reverse (3210028), we get a palindrome (85211258).

The spelling of 82001230 in words is "eighty-two million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 200003 400006 1000015 2000030 8200123 16400246 41000615 82001230