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34278343 = 1131100523
BaseRepresentation
bin1000001011000…
…0101111000111
32101111112001021
42002300233013
532233401333
63222412011
7564234601
oct202605707
971445037
1034278343
1118392910
12b591007
137142458
1447a4171
15302182d
hex20b0bc7

34278343 has 8 divisors (see below), whose sum is σ = 38601216. Its totient is φ = 30156600.

The previous prime is 34278331. The next prime is 34278371. The reversal of 34278343 is 34387243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34278343 - 25 = 34278311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34278299 and 34278308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34278313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49921 + ... + 50602.

It is an arithmetic number, because the mean of its divisors is an integer number (4825152).

Almost surely, 234278343 is an apocalyptic number.

34278343 is a deficient number, since it is larger than the sum of its proper divisors (4322873).

34278343 is a wasteful number, since it uses less digits than its factorization.

34278343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100565.

The product of its digits is 48384, while the sum is 34.

The square root of 34278343 is about 5854.7709605073. The cubic root of 34278343 is about 324.8428210376.

Subtracting 34278343 from its reverse (34387243), we obtain a square (108900 = 3302).

The spelling of 34278343 in words is "thirty-four million, two hundred seventy-eight thousand, three hundred forty-three".

Divisors: 1 11 31 341 100523 1105753 3116213 34278343