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302542430 = 2530254243
BaseRepresentation
bin10010000010000…
…110111001011110
3210002021202012012
4102002012321132
51104422324210
650004311222
710332365621
oct2202067136
9702252165
10302542430
11145860673
12853a2512
134a8ab0b8
142c275db8
151b862305
hex12086e5e

302542430 has 8 divisors (see below), whose sum is σ = 544576392. Its totient is φ = 121016968.

The previous prime is 302542411. The next prime is 302542433. The reversal of 302542430 is 34245203.

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 = 302542396 and 302542405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302542433) 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 3 ways as a sum of consecutive naturals, for example, 15127112 + ... + 15127131.

It is an arithmetic number, because the mean of its divisors is an integer number (68072049).

Almost surely, 2302542430 is an apocalyptic number.

302542430 is a deficient number, since it is larger than the sum of its proper divisors (242033962).

302542430 is a wasteful number, since it uses less digits than its factorization.

302542430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30254250.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 302542430 is about 17393.7468648937. The cubic root of 302542430 is about 671.3187289109.

Adding to 302542430 its reverse (34245203), we get a palindrome (336787633).

The spelling of 302542430 in words is "three hundred two million, five hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 30254243 60508486 151271215 302542430