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1676934145 = 517137314369
BaseRepresentation
bin110001111110011…
…1111110000000001
311022212110002012001
41203330333300001
511413243343040
6434222304001
756361463555
oct14374776001
94285402161
101676934145
11790649497
123a9728001
13209561833
1411c9dd865
159c34959a
hex63f3fc01

1676934145 has 16 divisors (see below), whose sum is σ = 2132393040. Its totient is φ = 1261625344.

The previous prime is 1676934143. The next prime is 1676934169. The reversal of 1676934145 is 5414396761.

It can be written as a sum of positive squares in 8 ways, for example, as 341177841 + 1335756304 = 18471^2 + 36548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1676934145 - 21 = 1676934143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1676934095 and 1676934104.

It is not an unprimeable number, because it can be changed into a prime (1676934143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109521 + ... + 123889.

It is an arithmetic number, because the mean of its divisors is an integer number (133274565).

Almost surely, 21676934145 is an apocalyptic number.

It is an amenable number.

1676934145 is a deficient number, since it is larger than the sum of its proper divisors (455458895).

1676934145 is a wasteful number, since it uses less digits than its factorization.

1676934145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15764.

The product of its digits is 544320, while the sum is 46.

The square root of 1676934145 is about 40950.3863840135. The cubic root of 1676934145 is about 1188.0608072452.

The spelling of 1676934145 in words is "one billion, six hundred seventy-six million, nine hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 17 85 1373 6865 14369 23341 71845 116705 244273 1221365 19728637 98643185 335386829 1676934145