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2270766240 = 253251576921
BaseRepresentation
bin1000011101011001…
…0010010010100000
312212020211212200100
42013112102102200
514122304004430
61013154222400
7110162123511
oct20726222240
95766755610
102270766240
11a65874316
12534584a00
132a25aab82
1417781ca08
15d4549960
hex875924a0

2270766240 has 72 divisors (see below), whose sum is σ = 7748994708. Its totient is φ = 605537280.

The previous prime is 2270766229. The next prime is 2270766293. The reversal of 2270766240 is 426670722.

2270766240 is a `hidden beast` number, since 2 + 27 + 0 + 7 + 6 + 624 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2189116944 + 81649296 = 46788^2 + 9036^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2270766195 and 2270766204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787021 + ... + 789900.

Almost surely, 22270766240 is an apocalyptic number.

2270766240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2270766240 is an abundant number, since it is smaller than the sum of its proper divisors (5478228468).

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

2270766240 is a wasteful number, since it uses less digits than its factorization.

2270766240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576942 (or 1576931 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 2270766240 is about 47652.5575389191. The cubic root of 2270766240 is about 1314.3896872466.

The spelling of 2270766240 in words is "two billion, two hundred seventy million, seven hundred sixty-six thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 1576921 3153842 4730763 6307684 7884605 9461526 12615368 14192289 15769210 18923052 23653815 25230736 28384578 31538420 37846104 47307630 50461472 56769156 63076840 70961445 75692208 94615260 113538312 126153680 141922890 151384416 189230520 227076624 252307360 283845780 378461040 454153248 567691560 756922080 1135383120 2270766240