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1389696000 = 21035371147
BaseRepresentation
bin101001011010101…
…0001010000000000
310120211221212112020
41102311101100000
510321230233000
6345522001440
746303135560
oct12265212000
93524855466
101389696000
116534a11a0
123294a6280
13191bb1734
14d27ccda0
158200bba0
hex52d51400

1389696000 has 704 divisors, whose sum is σ = 5885927424. Its totient is φ = 282624000.

The previous prime is 1389695959. The next prime is 1389696001. The reversal of 1389696000 is 6969831.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389696001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29567977 + ... + 29568023.

Almost surely, 21389696000 is an apocalyptic number.

1389696000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389696000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2942963712).

1389696000 is an abundant number, since it is smaller than the sum of its proper divisors (4496231424).

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

1389696000 is a wasteful number, since it uses less digits than its factorization.

1389696000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1389696000 is about 37278.6265841434. The cubic root of 1389696000 is about 1115.9376643282.

The spelling of 1389696000 in words is "one billion, three hundred eighty-nine million, six hundred ninety-six thousand".