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34420129 = 2910910889
BaseRepresentation
bin1000001101001…
…1010110100001
32101202201112121
42003103112201
532302421004
63225424241
7565365142
oct203232641
971681477
1034420129
111847a397
12b63b081
137191b53
1447ddac9
15304d854
hex20d35a1

34420129 has 8 divisors (see below), whose sum is σ = 35937000. Its totient is φ = 32925312.

The previous prime is 34420109. The next prime is 34420151. The reversal of 34420129 is 92102443.

It can be written as a sum of positive squares in 4 ways, for example, as 1380625 + 33039504 = 1175^2 + 5748^2 .

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 34420129 - 25 = 34420097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34420109) 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 7 ways as a sum of consecutive naturals, for example, 2284 + ... + 8605.

It is an arithmetic number, because the mean of its divisors is an integer number (4492125).

Almost surely, 234420129 is an apocalyptic number.

It is an amenable number.

34420129 is a deficient number, since it is larger than the sum of its proper divisors (1516871).

34420129 is a wasteful number, since it uses less digits than its factorization.

34420129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11027.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 34420129 is about 5866.8670515020. The cubic root of 34420129 is about 325.2900889240.

The spelling of 34420129 in words is "thirty-four million, four hundred twenty thousand, one hundred twenty-nine".

Divisors: 1 29 109 3161 10889 315781 1186901 34420129