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234340434 = 23232094057
BaseRepresentation
bin11011111011111…
…00000001010010
3121022221201122100
431331330001102
5434442343214
635130421230
75543601156
oct1575740122
9538851570
10234340434
11110308489
1266591816
133971baa3
14231a1066
151588e309
hexdf7c052

234340434 has 24 divisors (see below), whose sum is σ = 508021020. Its totient is φ = 78069888.

The previous prime is 234340423. The next prime is 234340441. The reversal of 234340434 is 434043432.

It can be written as a sum of positive squares in 2 ways, for example, as 233998209 + 342225 = 15297^2 + 585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 234340398 and 234340407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55734 + ... + 59790.

Almost surely, 2234340434 is an apocalyptic number.

234340434 is an abundant number, since it is smaller than the sum of its proper divisors (273680586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234340434 is a wasteful number, since it uses less digits than its factorization.

234340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 234340434 is about 15308.1819299354. The cubic root of 234340434 is about 616.5227070172.

Adding to 234340434 its reverse (434043432), we get a palindrome (668383866).

The spelling of 234340434 in words is "two hundred thirty-four million, three hundred forty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 3209 4057 6418 8114 9627 12171 19254 24342 28881 36513 57762 73026 13018913 26037826 39056739 78113478 117170217 234340434