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2872931328 = 21034191823
BaseRepresentation
bin1010101100111101…
…0111010000000000
321102012221000220000
42223033113100000
521340432300303
61153024520000
7131123341041
oct25317272000
97365830800
102872931328
111244770913
12682180000
1336a284087
141d37aa8c8
1511c343da3
hexab3d7400

2872931328 has 220 divisors, whose sum is σ = 9035621760. Its totient is φ = 906743808.

The previous prime is 2872931273. The next prime is 2872931329. The reversal of 2872931328 is 8231392782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872931329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1575025 + ... + 1576847.

It is an arithmetic number, because the mean of its divisors is an integer number (41071008).

Almost surely, 22872931328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2872931328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4517810880).

2872931328 is an abundant number, since it is smaller than the sum of its proper divisors (6162690432).

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

2872931328 is a wasteful number, since it uses less digits than its factorization.

2872931328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1847 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2872931328 is about 53599.7325366461. The cubic root of 2872931328 is about 1421.5923629937.

The spelling of 2872931328 in words is "two billion, eight hundred seventy-two million, nine hundred thirty-one thousand, three hundred twenty-eight".