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1304434213 = 23311829501
BaseRepresentation
bin100110111000000…
…0001011000100101
310100220112010100021
41031300001120211
510132413343323
6333234315141
744216336125
oct11560013045
93326463307
101304434213
1160a356805
12304a28ab1
1317a32b384
14c5356c85
15797b905d
hex4dc01625

1304434213 has 8 divisors (see below), whose sum is σ = 1405057536. Its totient is φ = 1207470000.

The previous prime is 1304434177. The next prime is 1304434247. The reversal of 1304434213 is 3124344031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304434213 - 225 = 1270879781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304434253) 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, 914038 + ... + 915463.

It is an arithmetic number, because the mean of its divisors is an integer number (175632192).

Almost surely, 21304434213 is an apocalyptic number.

It is an amenable number.

1304434213 is a deficient number, since it is larger than the sum of its proper divisors (100623323).

1304434213 is a wasteful number, since it uses less digits than its factorization.

1304434213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829555.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1304434213 is about 36116.9518785847. The cubic root of 1304434213 is about 1092.6323642266.

Adding to 1304434213 its reverse (3124344031), we get a palindrome (4428778244).

The spelling of 1304434213 in words is "one billion, three hundred four million, four hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 23 31 713 1829501 42078523 56714531 1304434213