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2275223540 = 225709160453
BaseRepresentation
bin1000011110011101…
…0010011111110100
312212120020022221112
42013213102133310
514124424123130
61013433534152
7110245036532
oct20747223764
95776208845
102275223540
11a68339137
12535b74358
132a34ab925
1417825d152
15d4b2a495
hex879d27f4

2275223540 has 24 divisors (see below), whose sum is σ = 4784738280. Its totient is φ = 908800128.

The previous prime is 2275223521. The next prime is 2275223551. The reversal of 2275223540 is 453225722.

It can be written as a sum of positive squares in 4 ways, for example, as 93586276 + 2181637264 = 9674^2 + 46708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2275223497 and 2275223506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66047 + ... + 94406.

It is an arithmetic number, because the mean of its divisors is an integer number (199364095).

Almost surely, 22275223540 is an apocalyptic number.

2275223540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275223540 is an abundant number, since it is smaller than the sum of its proper divisors (2509514740).

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

2275223540 is a wasteful number, since it uses less digits than its factorization.

2275223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161171 (or 161169 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 2275223540 is about 47699.3033492105. The cubic root of 2275223540 is about 1315.2491328253.

The spelling of 2275223540 in words is "two billion, two hundred seventy-five million, two hundred twenty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 709 1418 2836 3545 7090 14180 160453 320906 641812 802265 1604530 3209060 113761177 227522354 455044708 568805885 1137611770 2275223540