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1349342953 = 7533637043
BaseRepresentation
bin101000001101101…
…0101011011101001
310111001000201112221
41100123111123221
510230412433303
6341521034041
745303140320
oct12033253351
93431021487
101349342953
1163273a372
12317a85921
131867232aa
14cb2c70b7
157d6da4bd
hex506d56e9

1349342953 has 8 divisors (see below), whose sum is σ = 1571203008. Its totient is φ = 1134757104.

The previous prime is 1349342947. The next prime is 1349342977. The reversal of 1349342953 is 3592439431.

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 1349342953 - 29 = 1349342441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349342903) 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, 1818151 + ... + 1818892.

It is an arithmetic number, because the mean of its divisors is an integer number (196400376).

Almost surely, 21349342953 is an apocalyptic number.

It is an amenable number.

1349342953 is a deficient number, since it is larger than the sum of its proper divisors (221860055).

1349342953 is an equidigital number, since it uses as much as digits as its factorization.

1349342953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637103.

The product of its digits is 349920, while the sum is 43.

The square root of 1349342953 is about 36733.4037763995. The cubic root of 1349342953 is about 1105.0301181365.

The spelling of 1349342953 in words is "one billion, three hundred forty-nine million, three hundred forty-two thousand, nine hundred fifty-three".

Divisors: 1 7 53 371 3637043 25459301 192763279 1349342953