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304129 = 7231889
BaseRepresentation
bin1001010010000000001
3120110012001
41022100001
534213004
610304001
72404450
oct1122001
9513161
10304129
11198551
12128001
13a8577
147cb97
15601a4
hex4a401

304129 has 8 divisors (see below), whose sum is σ = 362880. Its totient is φ = 249216.

The previous prime is 304127. The next prime is 304151. The reversal of 304129 is 921403.

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

It is a cyclic number.

It is not a de Polignac number, because 304129 - 21 = 304127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (304127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

It is a Proth number, since it is equal to 297 ⋅ 210 + 1 and 297 < 210.

2304129 is an apocalyptic number.

It is an amenable number.

304129 is a deficient number, since it is larger than the sum of its proper divisors (58751).

304129 is a wasteful number, since it uses less digits than its factorization.

304129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 304129 is about 551.4789207214. The cubic root of 304129 is about 67.2490176425.

The spelling of 304129 in words is "three hundred four thousand, one hundred twenty-nine".

Divisors: 1 7 23 161 1889 13223 43447 304129