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1345952647 = 13195449201
BaseRepresentation
bin101000000111001…
…1001101110000111
310110210122110221001
41100032121232013
510224030441042
6341320234131
745232260124
oct12016315607
93423573831
101345952647
11630834166
1231690b947
13185b070b0
14caa8374b
157d26abb7
hex50399b87

1345952647 has 8 divisors (see below), whose sum is σ = 1525776560. Its totient is φ = 1177027200.

The previous prime is 1345952593. The next prime is 1345952711. The reversal of 1345952647 is 7462595431.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-1345952647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345952597 and 1345952606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345955647) 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, 2724354 + ... + 2724847.

It is an arithmetic number, because the mean of its divisors is an integer number (190722070).

Almost surely, 21345952647 is an apocalyptic number.

1345952647 is a deficient number, since it is larger than the sum of its proper divisors (179823913).

1345952647 is a wasteful number, since it uses less digits than its factorization.

1345952647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449233.

The product of its digits is 907200, while the sum is 46.

The square root of 1345952647 is about 36687.2273005197. The cubic root of 1345952647 is about 1104.1038568783.

The spelling of 1345952647 in words is "one billion, three hundred forty-five million, nine hundred fifty-two thousand, six hundred forty-seven".

Divisors: 1 13 19 247 5449201 70839613 103534819 1345952647