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3384635381 = 12012818181
BaseRepresentation
bin1100100110111101…
…0110111111110101
322201212210021212222
43021233112333311
523412431313011
61315504252125
7146605632431
oct31157267765
98655707788
103384635381
1114875a1726
127a5611045
1341c2a653a
1424172b9c1
1514c21eddb
hexc9bd6ff5

3384635381 has 4 divisors (see below), whose sum is σ = 3387454764. Its totient is φ = 3381816000.

The previous prime is 3384635377. The next prime is 3384635399. The reversal of 3384635381 is 1835364833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1835364833 = 2379798471.

It can be written as a sum of positive squares in 2 ways, for example, as 999192100 + 2385443281 = 31610^2 + 48841^2 .

It is a cyclic number.

It is not a de Polignac number, because 3384635381 - 22 = 3384635377 is a prime.

It is a super-2 number, since 2×33846353812 = 22911513324634030322, 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 (3384635981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407890 + ... + 1410291.

It is an arithmetic number, because the mean of its divisors is an integer number (846863691).

Almost surely, 23384635381 is an apocalyptic number.

It is an amenable number.

3384635381 is a deficient number, since it is larger than the sum of its proper divisors (2819383).

3384635381 is a wasteful number, since it uses less digits than its factorization.

3384635381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819382.

The product of its digits is 622080, while the sum is 44.

The square root of 3384635381 is about 58177.6192448608. The cubic root of 3384635381 is about 1501.4261075670.

The spelling of 3384635381 in words is "three billion, three hundred eighty-four million, six hundred thirty-five thousand, three hundred eighty-one".

Divisors: 1 1201 2818181 3384635381