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2184484690 = 257119915461
BaseRepresentation
bin1000001000110100…
…1001011101010010
312122020111022122101
42002031021131102
513433212002230
61000433031014
7105063546013
oct20215113522
95566438571
102184484690
11a210a2753
1250b6b546a
1328a75b5bb
1416a19d00a
15cbba4aca
hex82349752

2184484690 has 32 divisors (see below), whose sum is σ = 4007750400. Its totient is φ = 857102400.

The previous prime is 2184484681. The next prime is 2184484691. The reversal of 2184484690 is 964844812.

It is a super-2 number, since 2×21844846902 = 9543946721688792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2184484690.

It is not an unprimeable number, because it can be changed into a prime (2184484691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133560 + ... + 149020.

It is an arithmetic number, because the mean of its divisors is an integer number (125242200).

Almost surely, 22184484690 is an apocalyptic number.

2184484690 is a deficient number, since it is larger than the sum of its proper divisors (1823265710).

2184484690 is a wasteful number, since it uses less digits than its factorization.

2184484690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 2184484690 is about 46738.4711987887. The cubic root of 2184484690 is about 1297.5267948377.

The spelling of 2184484690 in words is "two billion, one hundred eighty-four million, four hundred eighty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 71 142 199 355 398 710 995 1990 14129 15461 28258 30922 70645 77305 141290 154610 1097731 2195462 3076739 5488655 6153478 10977310 15383695 30767390 218448469 436896938 1092242345 2184484690