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34443661 = 722921487
BaseRepresentation
bin1000001101100…
…1000110001101
32101210220211011
42003121012031
532304144121
63230125221
7565523560
oct203310615
971726734
1034443661
111849603a
12b650811
13719c785
1448084d7
1530557e1
hex20d918d

34443661 has 8 divisors (see below), whose sum is σ = 39537920. Its totient is φ = 29392848.

The previous prime is 34443659. The next prime is 34443667. The reversal of 34443661 is 16634443.

It is a happy number.

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 34443661 - 21 = 34443659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34443667) 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, 9141 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (4942240).

Almost surely, 234443661 is an apocalyptic number.

It is an amenable number.

34443661 is a deficient number, since it is larger than the sum of its proper divisors (5094259).

34443661 is a wasteful number, since it uses less digits than its factorization.

34443661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21723.

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

The square root of 34443661 is about 5868.8722085252. The cubic root of 34443661 is about 325.3642023650.

It can be divided in two parts, 3 and 4443661, that added together give a square (4443664 = 21082).

The spelling of 34443661 in words is "thirty-four million, four hundred forty-three thousand, six hundred sixty-one".

Divisors: 1 7 229 1603 21487 150409 4920523 34443661