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8380030 = 25838003
BaseRepresentation
bin11111111101111001111110
3120202202020111
4133331321332
54121130110
6455340234
7131141401
oct37757176
916682214
108380030
11480404a
12298167a
1319753c9
141181d38
15b07e8a
hex7fde7e

8380030 has 8 divisors (see below), whose sum is σ = 15084072. Its totient is φ = 3352008.

The previous prime is 8379961. The next prime is 8380037. The reversal of 8380030 is 300838.

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

It is a junction number, because it is equal to n+sod(n) for n = 8379983 and 8380010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418992 + ... + 419011.

It is an arithmetic number, because the mean of its divisors is an integer number (1885509).

Almost surely, 28380030 is an apocalyptic number.

8380030 is a deficient number, since it is larger than the sum of its proper divisors (6704042).

8380030 is a wasteful number, since it uses less digits than its factorization.

8380030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838010.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8380030 is about 2894.8281468854. The cubic root of 8380030 is about 203.1180527801.

Adding to 8380030 its reverse (300838), we get a palindrome (8680868).

The spelling of 8380030 in words is "eight million, three hundred eighty thousand, thirty".

Divisors: 1 2 5 10 838003 1676006 4190015 8380030