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2275274940 = 223537921249
BaseRepresentation
bin1000011110011101…
…1111000010111100
312212120022221110020
42013213133002330
514124432244230
61013435012140
7110245342431
oct20747370274
95776287406
102275274940
11a68373814
12535b9a050
132a34c9143
14178273b88
15d4b3a810
hex879df0bc

2275274940 has 24 divisors (see below), whose sum is σ = 6370770000. Its totient is φ = 606739968.

The previous prime is 2275274927. The next prime is 2275274987. The reversal of 2275274940 is 494725722.

It is a junction number, because it is equal to n+sod(n) for n = 2275274892 and 2275274901.

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, 18960565 + ... + 18960684.

It is an arithmetic number, because the mean of its divisors is an integer number (265448750).

Almost surely, 22275274940 is an apocalyptic number.

2275274940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275274940 is an abundant number, since it is smaller than the sum of its proper divisors (4095495060).

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

2275274940 is a wasteful number, since it uses less digits than its factorization.

2275274940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37921261 (or 37921259 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 2275274940 is about 47699.8421381036. The cubic root of 2275274940 is about 1315.2590370970.

The spelling of 2275274940 in words is "two billion, two hundred seventy-five million, two hundred seventy-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 37921249 75842498 113763747 151684996 189606245 227527494 379212490 455054988 568818735 758424980 1137637470 2275274940