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1348935789 = 31958322961
BaseRepresentation
bin101000001100111…
…0010000001101101
310111000021001000210
41100121302001231
510230311421124
6341504213033
745266523255
oct12031620155
93430231023
101348935789
11632491473
1231790a179
1318660cb76
14cb21c965
157d659a29
hex5067206d

1348935789 has 8 divisors (see below), whose sum is σ = 1798751232. Its totient is φ = 899205440.

The previous prime is 1348935779. The next prime is 1348935803. The reversal of 1348935789 is 9875398431.

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 1348935789 - 27 = 1348935661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348935719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47269 + ... + 70229.

It is an arithmetic number, because the mean of its divisors is an integer number (224843904).

Almost surely, 21348935789 is an apocalyptic number.

It is an amenable number.

1348935789 is a deficient number, since it is larger than the sum of its proper divisors (449815443).

1348935789 is a wasteful number, since it uses less digits than its factorization.

1348935789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42547.

The product of its digits is 6531840, while the sum is 57.

The square root of 1348935789 is about 36727.8612091693. The cubic root of 1348935789 is about 1104.9189594068.

The spelling of 1348935789 in words is "one billion, three hundred forty-eight million, nine hundred thirty-five thousand, seven hundred eighty-nine".

Divisors: 1 3 19583 22961 58749 68883 449645263 1348935789