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1389006702 = 23277167039
BaseRepresentation
bin101001011001010…
…1000111101101110
310120210122211222200
41102302220331232
510321041203302
6345455122330
746264235136
oct12262507556
93523584880
101389006702
11653070326
123292133a6
131919cca75
14d268dac6
1581e2281c
hex52ca8f6e

1389006702 has 12 divisors (see below), whose sum is σ = 3009514560. Its totient is φ = 463002228.

The previous prime is 1389006691. The next prime is 1389006721. The reversal of 1389006702 is 2076009831.

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 5 ways as a sum of consecutive naturals, for example, 38583502 + ... + 38583537.

It is an arithmetic number, because the mean of its divisors is an integer number (250792880).

Almost surely, 21389006702 is an apocalyptic number.

1389006702 is an abundant number, since it is smaller than the sum of its proper divisors (1620507858).

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

1389006702 is a wasteful number, since it uses less digits than its factorization.

1389006702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77167047 (or 77167044 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1389006702 is about 37269.3802202290. The cubic root of 1389006702 is about 1115.7531297697.

The spelling of 1389006702 in words is "one billion, three hundred eighty-nine million, six thousand, seven hundred two".

Divisors: 1 2 3 6 9 18 77167039 154334078 231501117 463002234 694503351 1389006702