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8280130 = 25828013
BaseRepresentation
bin11111100101100001000010
3120120200012111
4133211201002
54104431010
6453245534
7130244215
oct37454102
916520174
108280130
114745a91
1229338aa
13193bab1
14115777c
15ad858a
hex7e5842

8280130 has 8 divisors (see below), whose sum is σ = 14904252. Its totient is φ = 3312048.

The previous prime is 8280127. The next prime is 8280133. The reversal of 8280130 is 310828.

It is an interprime number because it is at equal distance from previous prime (8280127) and next prime (8280133).

It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 208849 = 2841^2 + 457^2 .

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

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8280133) 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 3 ways as a sum of consecutive naturals, for example, 413997 + ... + 414016.

Almost surely, 28280130 is an apocalyptic number.

8280130 is a deficient number, since it is larger than the sum of its proper divisors (6624122).

8280130 is a wasteful number, since it uses less digits than its factorization.

8280130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828020.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8280130 is about 2877.5215029605. The cubic root of 8280130 is about 202.3076871549.

Adding to 8280130 its reverse (310828), we get a palindrome (8590958).

The spelling of 8280130 in words is "eight million, two hundred eighty thousand, one hundred thirty".

Divisors: 1 2 5 10 828013 1656026 4140065 8280130