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302005430 = 2530200543
BaseRepresentation
bin10010000000000…
…011110010110110
3210001021110120022
4102000003302312
51104303133210
645545005142
710325001206
oct2200036266
9701243508
10302005430
11145524171
12851837b2
134a75084c
142c176406
151b7a8155
hex12003cb6

302005430 has 8 divisors (see below), whose sum is σ = 543609792. Its totient is φ = 120802168.

The previous prime is 302005427. The next prime is 302005463. The reversal of 302005430 is 34500203.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 302005399 and 302005408.

It is a congruent number.

It is an unprimeable number.

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, 15100262 + ... + 15100281.

It is an arithmetic number, because the mean of its divisors is an integer number (67951224).

Almost surely, 2302005430 is an apocalyptic number.

302005430 is a deficient number, since it is larger than the sum of its proper divisors (241604362).

302005430 is a wasteful number, since it uses less digits than its factorization.

302005430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30200550.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 302005430 is about 17378.3034269747. The cubic root of 302005430 is about 670.9213062446.

Adding to 302005430 its reverse (34500203), we get a palindrome (336505633).

The spelling of 302005430 in words is "three hundred two million, five thousand, four hundred thirty".

Divisors: 1 2 5 10 30200543 60401086 151002715 302005430