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34444813 = 1331127673
BaseRepresentation
bin1000001101100…
…1011000001101
32101210222101211
42003121120031
532304213223
63230134421
7565530124
oct203313015
971728354
1034444813
1118496997
12b651411
1371a0160
144808abb
153055d0d
hex20d960d

34444813 has 16 divisors (see below), whose sum is σ = 38649856. Its totient is φ = 30481920.

The previous prime is 34444807. The next prime is 34444829. The reversal of 34444813 is 31844443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34444813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34442813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50845 + ... + 51517.

It is an arithmetic number, because the mean of its divisors is an integer number (2415616).

Almost surely, 234444813 is an apocalyptic number.

It is an amenable number.

34444813 is a deficient number, since it is larger than the sum of its proper divisors (4205043).

34444813 is a wasteful number, since it uses less digits than its factorization.

34444813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its digits is 18432, while the sum is 31.

The square root of 34444813 is about 5868.9703526257. The cubic root of 34444813 is about 325.3678296932.

The spelling of 34444813 in words is "thirty-four million, four hundred forty-four thousand, eight hundred thirteen".

Divisors: 1 13 31 127 403 673 1651 3937 8749 20863 51181 85471 271219 1111123 2649601 34444813