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1439141045 = 5337385333
BaseRepresentation
bin101010111000111…
…1000110010110101
310201021222221101012
41111301320302311
510421410003140
6354445442005
750443332326
oct12561706265
93637887335
101439141045
116793a2a71
12341b70305
1319c204364
14d91c044d
1586527265
hex55c78cb5

1439141045 has 8 divisors (see below), whose sum is σ = 1727501496. Its totient is φ = 1150958016.

The previous prime is 1439141017. The next prime is 1439141047. The reversal of 1439141045 is 5401419341.

It can be written as a sum of positive squares in 4 ways, for example, as 415588996 + 1023552049 = 20386^2 + 31993^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1439141045 is a prime.

It is a super-2 number, since 2×14391410452 = 4142253894807384050, 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 (1439141047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25802 + ... + 59531.

It is an arithmetic number, because the mean of its divisors is an integer number (215937687).

Almost surely, 21439141045 is an apocalyptic number.

It is an amenable number.

1439141045 is a deficient number, since it is larger than the sum of its proper divisors (288360451).

1439141045 is an equidigital number, since it uses as much as digits as its factorization.

1439141045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88711.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1439141045 is about 37936.0125079060. The cubic root of 1439141045 is about 1129.0186601092.

The spelling of 1439141045 in words is "one billion, four hundred thirty-nine million, one hundred forty-one thousand, forty-five".

Divisors: 1 5 3373 16865 85333 426665 287828209 1439141045