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34307297 = 311106687
BaseRepresentation
bin1000001011011…
…1110011100001
32101112222202122
42002313303201
532240313142
63223154025
7564415163
oct202676341
971488678
1034307297
1118402642
12b5a5915
13715269b
1447b0933
15302a1d2
hex20b7ce1

34307297 has 4 divisors (see below), whose sum is σ = 35414016. Its totient is φ = 33200580.

The previous prime is 34307291. The next prime is 34307327. The reversal of 34307297 is 79270343.

34307297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79270343 = 411933423.

It is a cyclic number.

It is not a de Polignac number, because 34307297 - 26 = 34307233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34307291) 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, 553313 + ... + 553374.

It is an arithmetic number, because the mean of its divisors is an integer number (8853504).

Almost surely, 234307297 is an apocalyptic number.

It is an amenable number.

34307297 is a deficient number, since it is larger than the sum of its proper divisors (1106719).

34307297 is a wasteful number, since it uses less digits than its factorization.

34307297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106718.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 34307297 is about 5857.2431228352. The cubic root of 34307297 is about 324.9342573136.

The spelling of 34307297 in words is "thirty-four million, three hundred seven thousand, two hundred ninety-seven".

Divisors: 1 31 1106687 34307297