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306243429 = 3211348311
BaseRepresentation
bin10010010000001…
…110011101100101
3210100020210000020
4102100032131211
51111344242204
650215505353
710406011662
oct2220163545
9710223006
10306243429
11147959248
1286688259
134b5a583b
142c95aa69
151bd43bd9
hex1240e765

306243429 has 8 divisors (see below), whose sum is σ = 408526272. Its totient is φ = 204061440.

The previous prime is 306243401. The next prime is 306243437. The reversal of 306243429 is 924342603.

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

It is not a de Polignac number, because 306243429 - 25 = 306243397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 306243429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306243499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17817 + ... + 30494.

It is an arithmetic number, because the mean of its divisors is an integer number (51065784).

Almost surely, 2306243429 is an apocalyptic number.

It is an amenable number.

306243429 is a deficient number, since it is larger than the sum of its proper divisors (102282843).

306243429 is a wasteful number, since it uses less digits than its factorization.

306243429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50427.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 306243429 is about 17499.8122561358. The cubic root of 306243429 is about 674.0450540314.

The spelling of 306243429 in words is "three hundred six million, two hundred forty-three thousand, four hundred twenty-nine".

Divisors: 1 3 2113 6339 48311 144933 102081143 306243429