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34643830 = 2513266491
BaseRepresentation
bin1000010000100…
…1111101110110
32102012002101211
42010021331312
532332100310
63234312034
7600316264
oct204117566
972162354
1034643830
1118612471
12b72861a
13723c910
14485b434
153094c8a
hex2109f76

34643830 has 16 divisors (see below), whose sum is σ = 67155984. Its totient is φ = 12791520.

The previous prime is 34643801. The next prime is 34643837. The reversal of 34643830 is 3834643.

34643830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 34643792 and 34643801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34643837) 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 7 ways as a sum of consecutive naturals, for example, 133116 + ... + 133375.

It is an arithmetic number, because the mean of its divisors is an integer number (4197249).

Almost surely, 234643830 is an apocalyptic number.

34643830 is a deficient number, since it is larger than the sum of its proper divisors (32512154).

34643830 is a wasteful number, since it uses less digits than its factorization.

34643830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266511.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 34643830 is about 5885.9009505767. The cubic root of 34643830 is about 325.9932689591.

The spelling of 34643830 in words is "thirty-four million, six hundred forty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 266491 532982 1332455 2664910 3464383 6928766 17321915 34643830