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6442479534 = 231073746589
BaseRepresentation
bin1100000000000000…
…00110111110101110
3121121222122212111010
412000000012332232
5101143233321114
62543140410050
7315436113111
oct60000067656
917558585433
106442479534
112806680257
1212b96a6926
137b896168a
144518b0578
1527a8dcc59
hex180006fae

6442479534 has 8 divisors (see below), whose sum is σ = 12884959080. Its totient is φ = 2147493176.

The previous prime is 6442479521. The next prime is 6442479541. The reversal of 6442479534 is 4359742446.

It is a sphenic number, since it is the product of 3 distinct primes.

6442479534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536873289 + ... + 536873300.

It is an arithmetic number, because the mean of its divisors is an integer number (1610619885).

Almost surely, 26442479534 is an apocalyptic number.

6442479534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6442479534 is a wasteful number, since it uses less digits than its factorization.

6442479534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073746594.

The product of its digits is 2903040, while the sum is 48.

The square root of 6442479534 is about 80265.0579891400. The cubic root of 6442479534 is about 1860.7342395444.

The spelling of 6442479534 in words is "six billion, four hundred forty-two million, four hundred seventy-nine thousand, five hundred thirty-four".

Divisors: 1 2 3 6 1073746589 2147493178 3221239767 6442479534