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3291069245 = 5658213849
BaseRepresentation
bin1100010000101001…
…1011101100111101
322111100201122021112
43010022123230331
523220003203440
61302323011405
7144361425032
oct30412335475
98440648245
103291069245
1114397a5042
1277a209b65
13405aa6369
14233133389
15143ddb965
hexc429bb3d

3291069245 has 4 divisors (see below), whose sum is σ = 3949283100. Its totient is φ = 2632855392.

The previous prime is 3291069217. The next prime is 3291069277. The reversal of 3291069245 is 5429601923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5429601923 = 31317346971.

It can be written as a sum of positive squares in 2 ways, for example, as 964164601 + 2326904644 = 31051^2 + 48238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3291069245 is a prime.

It is a super-2 number, since 2×32910692452 = 21662273550769740050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329106920 + ... + 329106929.

It is an arithmetic number, because the mean of its divisors is an integer number (987320775).

Almost surely, 23291069245 is an apocalyptic number.

It is an amenable number.

3291069245 is a deficient number, since it is larger than the sum of its proper divisors (658213855).

3291069245 is an equidigital number, since it uses as much as digits as its factorization.

3291069245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658213854.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 3291069245 is about 57367.8415577926. The cubic root of 3291069245 is about 1487.4612933458.

The spelling of 3291069245 in words is "three billion, two hundred ninety-one million, sixty-nine thousand, two hundred forty-five".

Divisors: 1 5 658213849 3291069245