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2889062500 = 2258432
BaseRepresentation
bin1010110000110011…
…1001100001100100
321110100021120200211
42230030321201210
521404100000000
61154402345204
7131410424512
oct25414714144
97410246624
102889062500
111252889465
1268765b204
1337071154c
141d59a94b2
1511d97d7ba
hexac339864

2889062500 has 81 divisors (see below), whose sum is σ = 6470211531. Its totient is φ = 1128750000.

The previous prime is 2889062471. The next prime is 2889062507. The reversal of 2889062500 is 52609882.

The square root of 2889062500 is 53750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2054083684 + 834978816 = 45322^2 + 28896^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889062507) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 67187479 + ... + 67187521.

Almost surely, 22889062500 is an apocalyptic number.

2889062500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2889062500 is the 53750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2889062500

2889062500 is an abundant number, since it is smaller than the sum of its proper divisors (3581149031).

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

2889062500 is an frugal number, since it uses more digits than its factorization.

2889062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The cubic root of 2889062500 is about 1424.2480900338.

The spelling of 2889062500 in words is "two billion, eight hundred eighty-nine million, sixty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 125 172 215 250 430 500 625 860 1075 1250 1849 2150 2500 3125 3698 4300 5375 6250 7396 9245 10750 12500 15625 18490 21500 26875 31250 36980 46225 53750 62500 78125 92450 107500 134375 156250 184900 231125 268750 312500 390625 462250 537500 671875 781250 924500 1155625 1343750 1562500 2311250 2687500 3359375 4622500 5778125 6718750 11556250 13437500 16796875 23112500 28890625 33593750 57781250 67187500 115562500 144453125 288906250 577812500 722265625 1444531250 2889062500