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1348643069 = 16714475581
BaseRepresentation
bin101000001100010…
…1010100011111101
310110222201011111022
41100120222203331
510230223034234
6341454033525
745264163664
oct12030524375
93428634438
101348643069
11632301554
123177a88a5
13186539867
14cb183ddb
157d5ece2e
hex5062a8fd

1348643069 has 8 divisors (see below), whose sum is σ = 1357899648. Its totient is φ = 1339400880.

The previous prime is 1348643041. The next prime is 1348643071. The reversal of 1348643069 is 9603468431.

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 1348643069 - 228 = 1080207613 is a prime.

It is a super-2 number, since 2×13486430692 = 3637676255123477522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348643669) 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, 238859 + ... + 244439.

It is an arithmetic number, because the mean of its divisors is an integer number (169737456).

Almost surely, 21348643069 is an apocalyptic number.

It is an amenable number.

1348643069 is a deficient number, since it is larger than the sum of its proper divisors (9256579).

1348643069 is a wasteful number, since it uses less digits than its factorization.

1348643069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 1348643069 is about 36723.8760073062. The cubic root of 1348643069 is about 1104.8390308986.

The spelling of 1348643069 in words is "one billion, three hundred forty-eight million, six hundred forty-three thousand, sixty-nine".

Divisors: 1 167 1447 5581 241649 932027 8075707 1348643069