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3438042809 = 47127957193
BaseRepresentation
bin1100110011101100…
…0101111010111001
322212121021200002212
43030323011322321
524020114332214
61325053104505
7151124611265
oct31473057271
98777250085
103438042809
11150475a4a3
127bb488135
1342a385876
142488710a5
15151c6e53e
hexccec5eb9

3438042809 has 8 divisors (see below), whose sum is σ = 3513999360. Its totient is φ = 3362203296.

The previous prime is 3438042767. The next prime is 3438042827. The reversal of 3438042809 is 9082408343.

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 3438042809 - 212 = 3438038713 is a prime.

It is a super-2 number, since 2×34380428092 = 23640276713033220962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3438042409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31517 + ... + 88709.

It is an arithmetic number, because the mean of its divisors is an integer number (439249920).

Almost surely, 23438042809 is an apocalyptic number.

It is an amenable number.

3438042809 is a deficient number, since it is larger than the sum of its proper divisors (75956551).

3438042809 is a wasteful number, since it uses less digits than its factorization.

3438042809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58519.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 3438042809 is about 58634.8259057704. The cubic root of 3438042809 is about 1509.2821184475.

The spelling of 3438042809 in words is "three billion, four hundred thirty-eight million, forty-two thousand, eight hundred nine".

Divisors: 1 47 1279 57193 60113 2688071 73149847 3438042809