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2801824330 = 25312535501
BaseRepresentation
bin1010011100000000…
…0111001001001010
321020021010102102111
42213000013021022
521214231334310
61142004452534
7126301054024
oct24700071112
97207112374
102801824330
1112086140a8
126623aa14a
13358618726
141c817b014
15115e9a28a
hexa700724a

2801824330 has 48 divisors (see below), whose sum is σ = 5310508392. Its totient is φ = 1063920000.

The previous prime is 2801824321. The next prime is 2801824351. The reversal of 2801824330 is 334281082.

It can be written as a sum of positive squares in 4 ways, for example, as 2800208889 + 1615441 = 52917^2 + 1271^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2801824292 and 2801824301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506580 + ... + 512080.

Almost surely, 22801824330 is an apocalyptic number.

2801824330 is a deficient number, since it is larger than the sum of its proper divisors (2508684062).

2801824330 is a wasteful number, since it uses less digits than its factorization.

2801824330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623 (or 5592 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2801824330 is about 52932.2617124944. The cubic root of 2801824330 is about 1409.7657894435.

The spelling of 2801824330 in words is "two billion, eight hundred one million, eight hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 31 53 62 106 155 265 310 530 961 1643 1922 3286 4805 5501 8215 9610 11002 16430 27505 50933 55010 101866 170531 254665 291553 341062 509330 583106 852655 1457765 1705310 2915530 5286461 9038143 10572922 18076286 26432305 45190715 52864610 90381430 280182433 560364866 1400912165 2801824330