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6740838469 = 73281373881
BaseRepresentation
bin1100100011100100…
…10000100001000101
3122101210002002000001
412101302100201011
5102301123312334
63032515321301
7326021116201
oct62162204105
918353062001
106740838469
11294a033792
1213815b0231
13835706521
1447d377b01
15296bc5714
hex191c90845

6740838469 has 16 divisors (see below), whose sum is σ = 6883685424. Its totient is φ = 6599577600.

The previous prime is 6740838463. The next prime is 6740838473. The reversal of 6740838469 is 9648380476.

It can be written as a sum of positive squares in 8 ways, for example, as 6502500 + 6734335969 = 2550^2 + 82063^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740838469 - 25 = 6740838437 is a prime.

It is a super-2 number, since 2×67408384692 = 90877806530300527922, 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 (6740838463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7650909 + ... + 7651789.

It is an arithmetic number, because the mean of its divisors is an integer number (430230339).

Almost surely, 26740838469 is an apocalyptic number.

It is an amenable number.

6740838469 is a deficient number, since it is larger than the sum of its proper divisors (142846955).

6740838469 is a wasteful number, since it uses less digits than its factorization.

6740838469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The square root of 6740838469 is about 82102.6093921503. The cubic root of 6740838469 is about 1889.0261650713.

The spelling of 6740838469 in words is "six billion, seven hundred forty million, eight hundred thirty-eight thousand, four hundred sixty-nine".

Divisors: 1 73 281 373 881 20513 27229 64313 104813 247561 328613 7651349 18071953 23988749 92340253 6740838469