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1347131841 = 31123711107
BaseRepresentation
bin101000001001011…
…1001100111000001
310110212212101110220
41100102321213001
510224331204331
6341401413253
745245301036
oct12022714701
93425771426
101347131841
1163146a100
1231719a229
1318612aa43
14cacad38d
157d400296
hex504b99c1

1347131841 has 12 divisors (see below), whose sum is σ = 1974309456. Its totient is φ = 816443320.

The previous prime is 1347131803. The next prime is 1347131861. The reversal of 1347131841 is 1481317431.

It is a happy number.

It is not a de Polignac number, because 1347131841 - 27 = 1347131713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1347131861) 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 11 ways as a sum of consecutive naturals, for example, 1855191 + ... + 1855916.

It is an arithmetic number, because the mean of its divisors is an integer number (164525788).

Almost surely, 21347131841 is an apocalyptic number.

1347131841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1347131841 is a deficient number, since it is larger than the sum of its proper divisors (627177615).

1347131841 is a wasteful number, since it uses less digits than its factorization.

1347131841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711132 (or 3711121 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1347131841 is about 36703.2946886243. The cubic root of 1347131841 is about 1104.4261992272.

The spelling of 1347131841 in words is "one billion, three hundred forty-seven million, one hundred thirty-one thousand, eight hundred forty-one".

Divisors: 1 3 11 33 121 363 3711107 11133321 40822177 122466531 449043947 1347131841