Search a number
-
+
165414285 = 3351964489
BaseRepresentation
bin10011101110000…
…00010110001101
3102112020220202000
421313000112031
5314321224120
624225222513
74045666251
oct1167002615
9375226660
10165414285
1185410223
1247491a39
1328367c9a
1417d7c261
15e7c6990
hex9dc058d

165414285 has 32 divisors (see below), whose sum is σ = 309552000. Its totient is φ = 83576448.

The previous prime is 165414283. The next prime is 165414331. The reversal of 165414285 is 582414561.

It is a happy number.

165414285 is a `hidden beast` number, since 165 + 414 + 2 + 85 = 666.

It is not a de Polignac number, because 165414285 - 21 = 165414283 is a prime.

It is a super-2 number, since 2×1654142852 = 54723771364122450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165414281) 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 31 ways as a sum of consecutive naturals, for example, 29680 + ... + 34809.

It is an arithmetic number, because the mean of its divisors is an integer number (9673500).

Almost surely, 2165414285 is an apocalyptic number.

165414285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165414285 is a deficient number, since it is larger than the sum of its proper divisors (144137715).

165414285 is a wasteful number, since it uses less digits than its factorization.

165414285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64522 (or 64516 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 165414285 is about 12861.3484907299. The cubic root of 165414285 is about 548.9393166526.

The spelling of 165414285 in words is "one hundred sixty-five million, four hundred fourteen thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 19 27 45 57 95 135 171 285 513 855 2565 64489 193467 322445 580401 967335 1225291 1741203 2902005 3675873 6126455 8706015 11027619 18379365 33082857 55138095 165414285