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1675985345 = 519531272621
BaseRepresentation
bin110001111100101…
…1000000111000001
311022210122212200022
41203321120013001
511413023012340
6434150103225
756350432436
oct14371300701
94283585608
101675985345
11790060661
123a934ab15
132092bba08
1411c833b8d
159c20d3b5
hex63e581c1

1675985345 has 32 divisors (see below), whose sum is σ = 2174791680. Its totient is φ = 1235969280.

The previous prime is 1675985299. The next prime is 1675985351. The reversal of 1675985345 is 5435895761.

It is a happy number.

1675985345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1675985345 - 224 = 1659208129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638135 + ... + 640755.

It is an arithmetic number, because the mean of its divisors is an integer number (67962240).

Almost surely, 21675985345 is an apocalyptic number.

It is an amenable number.

1675985345 is a deficient number, since it is larger than the sum of its proper divisors (498806335).

1675985345 is a wasteful number, since it uses less digits than its factorization.

1675985345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its digits is 4536000, while the sum is 53.

The square root of 1675985345 is about 40938.7999946261. The cubic root of 1675985345 is about 1187.8366989107.

The spelling of 1675985345 in words is "one billion, six hundred seventy-five million, nine hundred eighty-five thousand, three hundred forty-five".

Divisors: 1 5 19 53 95 127 265 635 1007 2413 2621 5035 6731 12065 13105 33655 49799 127889 138913 248995 332867 639445 694565 1664335 2639347 6324473 13196735 17641951 31622365 88209755 335197069 1675985345