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3429604781 = 28789119129
BaseRepresentation
bin1100110001101011…
…1001110110101101
322212000101222022022
43030122321312231
524010434323111
61324152155525
7150663105521
oct31432716655
98760358268
103429604781
1114aaa16919
127b8698ba5
134286bcc55
142476b5d81
151511542db
hexcc6b9dad

3429604781 has 4 divisors (see below), whose sum is σ = 3429752700. Its totient is φ = 3429456864.

The previous prime is 3429604753. The next prime is 3429604799. The reversal of 3429604781 is 1874069243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1340292100 + 2089312681 = 36610^2 + 45709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3429604781 is a prime.

It is a super-2 number, since 2×34296047812 = 23524377907716115922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429604181) 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 3 ways as a sum of consecutive naturals, for example, 30776 + ... + 88353.

It is an arithmetic number, because the mean of its divisors is an integer number (857438175).

Almost surely, 23429604781 is an apocalyptic number.

It is an amenable number.

3429604781 is a deficient number, since it is larger than the sum of its proper divisors (147919).

3429604781 is a wasteful number, since it uses less digits than its factorization.

3429604781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147918.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 3429604781 is about 58562.8276383578. The cubic root of 3429604781 is about 1508.0463574285.

The spelling of 3429604781 in words is "three billion, four hundred twenty-nine million, six hundred four thousand, seven hundred eighty-one".

Divisors: 1 28789 119129 3429604781