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1676768345 = 571372411451
BaseRepresentation
bin110001111110001…
…0111010001011001
311022212010122202022
41203330113101121
511413223041340
6434214544225
756360203310
oct14374272131
94285118668
101676768345
1179054596a
123a9668075
13209504225
1411c999277
159c3153b5
hex63f17459

1676768345 has 32 divisors (see below), whose sum is σ = 2327567616. Its totient is φ = 1135872000.

The previous prime is 1676768341. The next prime is 1676768351. The reversal of 1676768345 is 5438676761.

It is not a de Polignac number, because 1676768345 - 22 = 1676768341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676768341) 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 31 ways as a sum of consecutive naturals, for example, 1154870 + ... + 1156320.

It is an arithmetic number, because the mean of its divisors is an integer number (72736488).

Almost surely, 21676768345 is an apocalyptic number.

It is an amenable number.

1676768345 is a deficient number, since it is larger than the sum of its proper divisors (650799271).

1676768345 is a wasteful number, since it uses less digits than its factorization.

1676768345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its digits is 5080320, while the sum is 53.

The square root of 1676768345 is about 40948.3619330493. The cubic root of 1676768345 is about 1188.0216510714.

The spelling of 1676768345 in words is "one billion, six hundred seventy-six million, seven hundred sixty-eight thousand, three hundred forty-five".

Divisors: 1 5 7 35 137 241 685 959 1205 1451 1687 4795 7255 8435 10157 33017 50785 165085 198787 231119 349691 993935 1155595 1391509 1748455 2447837 6957545 12239185 47907667 239538335 335353669 1676768345