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1814919230 = 25181491923
BaseRepresentation
bin110110000101101…
…0111100000111110
311200111002110010202
41230023113200332
512204104403410
6500032003502
762655362465
oct15413274076
94614073122
101814919230
11851524753
12427990592
1322c014a07
1413307b9dc
15a9503ca5
hex6c2d783e

1814919230 has 8 divisors (see below), whose sum is σ = 3266854632. Its totient is φ = 725967688.

The previous prime is 1814919221. The next prime is 1814919367. The reversal of 1814919230 is 329194181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18149192302 = 6587863622847585800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90745952 + ... + 90745971.

It is an arithmetic number, because the mean of its divisors is an integer number (408356829).

Almost surely, 21814919230 is an apocalyptic number.

1814919230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1814919230 is a deficient number, since it is larger than the sum of its proper divisors (1451935402).

1814919230 is a wasteful number, since it uses less digits than its factorization.

1814919230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181491930.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1814919230 is about 42601.8688557204. The cubic root of 1814919230 is about 1219.7919626458.

The spelling of 1814919230 in words is "one billion, eight hundred fourteen million, nine hundred nineteen thousand, two hundred thirty".

Divisors: 1 2 5 10 181491923 362983846 907459615 1814919230