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2873145384 = 23331761101127
BaseRepresentation
bin1010101101000000…
…1011100000101000
321102020022220112000
42223100023200220
521341011123014
61153033251000
7131125222104
oct25320134050
97366286460
102873145384
1112448a771a
12682263a60
1336a32a635
141d3824904
1511c387509
hexab40b828

2873145384 has 256 divisors, whose sum is σ = 8742297600. Its totient is φ = 870912000.

The previous prime is 2873145377. The next prime is 2873145413. The reversal of 2873145384 is 4835413782.

2873145384 is a `hidden beast` number, since 2 + 87 + 31 + 4 + 538 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22623129 + ... + 22623255.

It is an arithmetic number, because the mean of its divisors is an integer number (34149600).

Almost surely, 22873145384 is an apocalyptic number.

2873145384 is a gapful number since it is divisible by the number (24) 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 2873145384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4371148800).

2873145384 is an abundant number, since it is smaller than the sum of its proper divisors (5869152216).

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

2873145384 is a wasteful number, since it uses less digits than its factorization.

2873145384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 311 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2873145384 is about 53601.7293004619. The cubic root of 2873145384 is about 1421.6276687242.

The spelling of 2873145384 in words is "two billion, eight hundred seventy-three million, one hundred forty-five thousand, three hundred eighty-four".