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1348432705 = 5269686541
BaseRepresentation
bin101000001011111…
…0111001101000001
310110222022110221001
41100113313031001
510230144321310
6341445332001
745262326454
oct12027671501
93428273831
101348432705
116321784a4
12317707001
13186494b99
14cb12b49b
157d5aa93a
hex505f7341

1348432705 has 4 divisors (see below), whose sum is σ = 1618119252. Its totient is φ = 1078746160.

The previous prime is 1348432703. The next prime is 1348432711. The reversal of 1348432705 is 5072348431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229128769 + 1119303936 = 15137^2 + 33456^2 .

It is not a de Polignac number, because 1348432705 - 21 = 1348432703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348432703) 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, 134843266 + ... + 134843275.

It is an arithmetic number, because the mean of its divisors is an integer number (404529813).

Almost surely, 21348432705 is an apocalyptic number.

It is an amenable number.

1348432705 is a deficient number, since it is larger than the sum of its proper divisors (269686547).

1348432705 is an equidigital number, since it uses as much as digits as its factorization.

1348432705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269686546.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1348432705 is about 36721.0117643836. The cubic root of 1348432705 is about 1104.7815829228.

The spelling of 1348432705 in words is "one billion, three hundred forty-eight million, four hundred thirty-two thousand, seven hundred five".

Divisors: 1 5 269686541 1348432705