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1304432142 = 231316723489
BaseRepresentation
bin100110111000000…
…0000111000001110
310100220112000111120
41031300000320032
510132413312032
6333234301410
744216330106
oct11560007016
93326460446
101304432142
1160a3551a2
12304a27866
1317a32a450
14c5356206
15797b862c
hex4dc00e0e

1304432142 has 16 divisors (see below), whose sum is σ = 2809546320. Its totient is φ = 401363712.

The previous prime is 1304432071. The next prime is 1304432161. The reversal of 1304432142 is 2412344031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8361667 + ... + 8361822.

It is an arithmetic number, because the mean of its divisors is an integer number (175596645).

Almost surely, 21304432142 is an apocalyptic number.

1304432142 is an abundant number, since it is smaller than the sum of its proper divisors (1505114178).

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

1304432142 is a wasteful number, since it uses less digits than its factorization.

1304432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16723507.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1304432142 is about 36116.9232078260. The cubic root of 1304432142 is about 1092.6317859829.

Adding to 1304432142 its reverse (2412344031), we get a palindrome (3716776173).

The spelling of 1304432142 in words is "one billion, three hundred four million, four hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 16723489 33446978 50170467 100340934 217405357 434810714 652216071 1304432142