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2389893120 = 2133352161
BaseRepresentation
bin1000111001110010…
…1110000000000000
320011120000011001000
42032130232000000
514343303034440
61033051412000
7113136520266
oct21634560000
96146004030
102389893120
11101703a08a
12568454000
132c118a554
1418958c436
15dec2b730
hex8e72e000

2389893120 has 224 divisors, whose sum is σ = 8500811040. Its totient is φ = 637009920.

The previous prime is 2389893113. The next prime is 2389893179. The reversal of 2389893120 is 213989832.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104840 + ... + 1107000.

Almost surely, 22389893120 is an apocalyptic number.

2389893120 is a gapful number since it is divisible by the number (20) 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 2389893120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4250405520).

2389893120 is an abundant number, since it is smaller than the sum of its proper divisors (6110917920).

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

2389893120 is an equidigital number, since it uses as much as digits as its factorization.

2389893120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2389893120 is about 48886.5331149592. The cubic root of 2389893120 is about 1336.9838450904.

The spelling of 2389893120 in words is "two billion, three hundred eighty-nine million, eight hundred ninety-three thousand, one hundred twenty".