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304838434 = 21249122033
BaseRepresentation
bin10010001010110…
…111011100100010
3210020121101201101
4102022313130202
51111014312214
650125425014
710361040535
oct2212673442
9706541641
10304838434
1114708969a
128610b16a
134b203194
142c6b2a1c
151bb67774
hex122b7722

304838434 has 8 divisors (see below), whose sum is σ = 457627500. Its totient is φ = 152295936.

The previous prime is 304838431. The next prime is 304838467. The reversal of 304838434 is 434838403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 302864409 + 1974025 = 17403^2 + 1405^2 .

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 = 304838393 and 304838402.

It is not an unprimeable number, because it can be changed into a prime (304838431) 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, 58519 + ... + 63514.

Almost surely, 2304838434 is an apocalyptic number.

304838434 is a deficient number, since it is larger than the sum of its proper divisors (152789066).

304838434 is a wasteful number, since it uses less digits than its factorization.

304838434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123284.

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 304838434 is about 17459.6229627103. The cubic root of 304838434 is about 673.0126706216.

The spelling of 304838434 in words is "three hundred four million, eight hundred thirty-eight thousand, four hundred thirty-four".

Divisors: 1 2 1249 2498 122033 244066 152419217 304838434