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130304003 = 184770549
BaseRepresentation
bin1111100010001…
…00100000000011
3100002012010111012
413301010200003
5231324212003
620532511135
73141365024
oct761044003
9302163435
10130304003
116760a365
123777b4ab
1320cc3c7b
141343cc4b
15b68d8d8
hex7c44803

130304003 has 4 divisors (see below), whose sum is σ = 130376400. Its totient is φ = 130231608.

The previous prime is 130303969. The next prime is 130304011. The reversal of 130304003 is 300403031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300403031 = 436986117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130304003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130304063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33428 + ... + 37121.

It is an arithmetic number, because the mean of its divisors is an integer number (32594100).

Almost surely, 2130304003 is an apocalyptic number.

130304003 is a deficient number, since it is larger than the sum of its proper divisors (72397).

130304003 is an equidigital number, since it uses as much as digits as its factorization.

130304003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72396.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 130304003 is about 11415.0778797168. The cubic root of 130304003 is about 506.9742707851.

Adding to 130304003 its reverse (300403031), we get a palindrome (430707034).

The spelling of 130304003 in words is "one hundred thirty million, three hundred four thousand, three".

Divisors: 1 1847 70549 130304003