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389841120 = 25335314171
BaseRepresentation
bin10111001111001…
…000000011100000
31000011112222111000
4113033020003200
51244244403440
6102403352000
712442411014
oct2717100340
91004488430
10389841120
11190067449
12aa682600
13629c5626
1439abc544
1524358730
hex173c80e0

389841120 has 384 divisors, whose sum is σ = 1463132160. Its totient is φ = 96768000.

The previous prime is 389841119. The next prime is 389841121. The reversal of 389841120 is 21148983.

It is an interprime number because it is at equal distance from previous prime (389841119) and next prime (389841121).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389841121) 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, 5490685 + ... + 5490755.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2389841120 is an apocalyptic number.

389841120 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 389841120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731566080).

389841120 is an abundant number, since it is smaller than the sum of its proper divisors (1073291040).

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

389841120 is a wasteful number, since it uses less digits than its factorization.

389841120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 389841120 is about 19744.3946475956. The cubic root of 389841120 is about 730.5151302475.

It can be divided in two parts, 38984 and 1120, that added together give a palindrome (40104).

The spelling of 389841120 in words is "three hundred eighty-nine million, eight hundred forty-one thousand, one hundred twenty".