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2898191620 = 2251726332411
BaseRepresentation
bin1010110010111110…
…1110010100000100
321110222110101111101
42230233232110010
521413414112440
61155330145444
7131551136152
oct25457562404
97428411441
102898191620
111257a54295
1268a722284
133725898ac
141d6ca43d2
1511e68369a
hexacbee504

2898191620 has 48 divisors (see below), whose sum is σ = 6468916608. Its totient is φ = 1086901760.

The previous prime is 2898191617. The next prime is 2898191683. The reversal of 2898191620 is 261918982.

2898191620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73215 + ... + 105625.

It is an arithmetic number, because the mean of its divisors is an integer number (134769096).

Almost surely, 22898191620 is an apocalyptic number.

2898191620 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 2898191620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3234458304).

2898191620 is an abundant number, since it is smaller than the sum of its proper divisors (3570724988).

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

2898191620 is a wasteful number, since it uses less digits than its factorization.

2898191620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32700 (or 32698 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 2898191620 is about 53834.8550662115. The cubic root of 2898191620 is about 1425.7466685071.

The spelling of 2898191620 in words is "two billion, eight hundred ninety-eight million, one hundred ninety-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 263 340 526 1052 1315 2630 4471 5260 8942 17884 22355 32411 44710 64822 89420 129644 162055 324110 550987 648220 1101974 2203948 2754935 5509870 8524093 11019740 17048186 34096372 42620465 85240930 144909581 170481860 289819162 579638324 724547905 1449095810 2898191620