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1304431134 = 23217405189
BaseRepresentation
bin100110111000000…
…0000101000011110
310100220111222010020
41031300000220132
510132413244014
6333234253010
744216324136
oct11560005036
93326458106
101304431134
1160a354466
12304a27166
1317a329b56
14c5355ac6
15797b81a9
hex4dc00a1e

1304431134 has 8 divisors (see below), whose sum is σ = 2608862280. Its totient is φ = 434810376.

The previous prime is 1304431127. The next prime is 1304431147. The reversal of 1304431134 is 4311344031.

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

1304431134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108702589 + ... + 108702600.

It is an arithmetic number, because the mean of its divisors is an integer number (326107785).

Almost surely, 21304431134 is an apocalyptic number.

1304431134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1304431134 is a wasteful number, since it uses less digits than its factorization.

1304431134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217405194.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1304431134 is about 36116.9092531462. The cubic root of 1304431134 is about 1092.6315045391.

Adding to 1304431134 its reverse (4311344031), we get a palindrome (5615775165).

The spelling of 1304431134 in words is "one billion, three hundred four million, four hundred thirty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 217405189 434810378 652215567 1304431134