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3989088000 = 28385319
BaseRepresentation
bin1110110111000100…
…1010011100000000
3101022000011200000000
43231301022130000
531132201304000
61455500000000
7200565455112
oct35561123400
911260150000
103989088000
111767810947
12933b30000
134b75a0a01
1429bb133b2
1518531c000
hexedc4a700

3989088000 has 648 divisors, whose sum is σ = 15689703120. Its totient is φ = 1007769600.

The previous prime is 3989087959. The next prime is 3989088013. The reversal of 3989088000 is 8809893.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 209951991 + ... + 209952009.

Almost surely, 23989088000 is an apocalyptic number.

3989088000 is a gapful number since it is divisible by the number (30) 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 3989088000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7844851560).

3989088000 is an abundant number, since it is smaller than the sum of its proper divisors (11700615120).

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

3989088000 is an frugal number, since it uses more digits than its factorization.

3989088000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 3989088000 is about 63159.2273543621. The cubic root of 3989088000 is about 1585.9562606839.

The spelling of 3989088000 in words is "three billion, nine hundred eighty-nine million, eighty-eight thousand".