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1839142230 = 23561304741
BaseRepresentation
bin110110110011111…
…0001010101010110
311202011200002211220
41231213301111112
512231310022410
6502255111210
763401310462
oct15547612526
94664602756
101839142230
11864169862
12433b12506
13234046353
141363854a2
15ab6db070
hex6d9f1556

1839142230 has 16 divisors (see below), whose sum is σ = 4413941424. Its totient is φ = 490437920.

The previous prime is 1839142223. The next prime is 1839142237. The reversal of 1839142230 is 322419381.

It is an interprime number because it is at equal distance from previous prime (1839142223) and next prime (1839142237).

It is a junction number, because it is equal to n+sod(n) for n = 1839142191 and 1839142200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839142237) 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, 30652341 + ... + 30652400.

It is an arithmetic number, because the mean of its divisors is an integer number (275871339).

Almost surely, 21839142230 is an apocalyptic number.

1839142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1839142230 is an abundant number, since it is smaller than the sum of its proper divisors (2574799194).

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

1839142230 is a wasteful number, since it uses less digits than its factorization.

1839142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61304751.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1839142230 is about 42885.2215803999. The cubic root of 1839142230 is about 1225.1946890343.

The spelling of 1839142230 in words is "one billion, eight hundred thirty-nine million, one hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61304741 122609482 183914223 306523705 367828446 613047410 919571115 1839142230