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1830039404 = 221074275793
BaseRepresentation
bin110110100010100…
…0010111101101100
311201112112122010012
41231011002331230
512221442230104
6501332032352
763231035564
oct15505027554
94645478105
101830039404
1185a011766
12430a626b8
132321a9c6b
14135095da4
15aa9ddd6e
hex6d142f6c

1830039404 has 12 divisors (see below), whose sum is σ = 3232500264. Its totient is φ = 906467904.

The previous prime is 1830039401. The next prime is 1830039437. The reversal of 1830039404 is 4049300381.

It is not an unprimeable number, because it can be changed into a prime (1830039401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137469 + ... + 2138324.

It is an arithmetic number, because the mean of its divisors is an integer number (269375022).

Almost surely, 21830039404 is an apocalyptic number.

It is an amenable number.

1830039404 is a deficient number, since it is larger than the sum of its proper divisors (1402460860).

1830039404 is a wasteful number, since it uses less digits than its factorization.

1830039404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275904 (or 4275902 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1830039404 is about 42778.9598284016. The cubic root of 1830039404 is about 1223.1699797638.

Adding to 1830039404 its reverse (4049300381), we get a palindrome (5879339785).

The spelling of 1830039404 in words is "one billion, eight hundred thirty million, thirty-nine thousand, four hundred four".

Divisors: 1 2 4 107 214 428 4275793 8551586 17103172 457509851 915019702 1830039404