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2238516490 = 257216328027
BaseRepresentation
bin1000010101101101…
…0000110100001010
312210000011102100011
42011123100310022
514041030011430
61010043102134
7106321035100
oct20533206412
95700142304
102238516490
11a49647631
1252581194a
132989c8b92
14173425c70
15d17c922a
hex856d0d0a

2238516490 has 48 divisors (see below), whose sum is σ = 4716103392. Its totient is φ = 762755616.

The previous prime is 2238516487. The next prime is 2238516509. The reversal of 2238516490 is 946158322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65857 + ... + 93883.

It is an arithmetic number, because the mean of its divisors is an integer number (98252154).

Almost surely, 22238516490 is an apocalyptic number.

2238516490 is an abundant number, since it is smaller than the sum of its proper divisors (2477586902).

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

2238516490 is a wasteful number, since it uses less digits than its factorization.

2238516490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211 (or 28204 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2238516490 is about 47312.9632341920. The cubic root of 2238516490 is about 1308.1376115010.

The spelling of 2238516490 in words is "two billion, two hundred thirty-eight million, five hundred sixteen thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 163 245 326 490 815 1141 1630 2282 5705 7987 11410 15974 28027 39935 56054 79870 140135 196189 280270 392378 980945 1373323 1961890 2746646 4568401 6866615 9136802 13733230 22842005 31978807 45684010 63957614 159894035 223851649 319788070 447703298 1119258245 2238516490