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34420005 = 335254963
BaseRepresentation
bin1000001101001…
…1010100100101
32101202201101000
42003103110211
532302420010
63225423513
7565364604
oct203232445
971681330
1034420005
111847a294
12b63ab99
137191a89
1447dda3b
15304d7c0
hex20d3525

34420005 has 16 divisors (see below), whose sum is σ = 61191360. Its totient is φ = 18357264.

The previous prime is 34420003. The next prime is 34420007. The reversal of 34420005 is 50002443.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34420003) and next prime (34420007).

It is not a de Polignac number, because 34420005 - 21 = 34420003 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34420005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34420003) 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, 127347 + ... + 127616.

It is an arithmetic number, because the mean of its divisors is an integer number (3824460).

Almost surely, 234420005 is an apocalyptic number.

It is an amenable number.

34420005 is a deficient number, since it is larger than the sum of its proper divisors (26771355).

34420005 is a wasteful number, since it uses less digits than its factorization.

34420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254977 (or 254971 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 34420005 is about 5866.8564836716. The cubic root of 34420005 is about 325.2896982997.

Adding to 34420005 its reverse (50002443), we get a palindrome (84422448).

The spelling of 34420005 in words is "thirty-four million, four hundred twenty thousand, five".

Divisors: 1 3 5 9 15 27 45 135 254963 764889 1274815 2294667 3824445 6884001 11473335 34420005