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2290766240 = 255711511777
BaseRepresentation
bin1000100010001010…
…0101000110100000
312220122110222112002
42020202211012200
514142414004430
61015151023132
7110524122530
oct21042450640
95818428462
102290766240
11a76094644
1253b20aaa8
132a67912a9
1417a3474c0
15d619a845
hex888a51a0

2290766240 has 96 divisors (see below), whose sum is σ = 6193926144. Its totient is φ = 784281600.

The previous prime is 2290766189. The next prime is 2290766243. The reversal of 2290766240 is 426670922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2290766194 and 2290766203.

It is not an unprimeable number, because it can be changed into a prime (2290766243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288232 + ... + 1290008.

It is an arithmetic number, because the mean of its divisors is an integer number (64520064).

Almost surely, 22290766240 is an apocalyptic number.

2290766240 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 2290766240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096963072).

2290766240 is an abundant number, since it is smaller than the sum of its proper divisors (3903159904).

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

2290766240 is a wasteful number, since it uses less digits than its factorization.

2290766240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2290766240 is about 47861.9498140224. The cubic root of 2290766240 is about 1318.2372859504.

The spelling of 2290766240 in words is "two billion, two hundred ninety million, seven hundred sixty-six thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 1151 1777 2302 3554 4604 5755 7108 8057 8885 9208 11510 12439 14216 16114 17770 18416 23020 24878 28432 32228 35540 36832 40285 46040 49756 56864 62195 64456 71080 80570 92080 99512 124390 128912 142160 161140 184160 199024 248780 257824 284320 322280 398048 497560 644560 995120 1289120 1990240 2045327 4090654 8181308 10226635 14317289 16362616 20453270 28634578 32725232 40906540 57269156 65450464 71586445 81813080 114538312 143172890 163626160 229076624 286345780 327252320 458153248 572691560 1145383120 2290766240