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2184908142 = 232271604191
BaseRepresentation
bin1000001000111011…
…0000110101101110
312122021021211111210
42002032300311232
513433314030032
61000450055250
7105100261404
oct20216606556
95567254453
102184908142
11a2136190a
1250b87a526
1328a879271
1416a26d474
15cbc3a2cc
hex823b0d6e

2184908142 has 16 divisors (see below), whose sum is σ = 4389069312. Its totient is φ = 725093880.

The previous prime is 2184908107. The next prime is 2184908147. The reversal of 2184908142 is 2418094812.

It is a self number, because there is not a number n which added to its sum of digits gives 2184908142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184908147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800734 + ... + 803457.

It is an arithmetic number, because the mean of its divisors is an integer number (274316832).

Almost surely, 22184908142 is an apocalyptic number.

2184908142 is an abundant number, since it is smaller than the sum of its proper divisors (2204161170).

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

2184908142 is a wasteful number, since it uses less digits than its factorization.

2184908142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604423.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2184908142 is about 46743.0009948014. Note that the first 3 decimals coincide. The cubic root of 2184908142 is about 1297.6106292268.

The spelling of 2184908142 in words is "two billion, one hundred eighty-four million, nine hundred eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 227 454 681 1362 1604191 3208382 4812573 9625146 364151357 728302714 1092454071 2184908142