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165006465 = 3513846187
BaseRepresentation
bin10011101010111…
…00110010000001
3102111111012022120
421311130302001
5314220201330
624212354453
74042350261
oct1165346201
9374435276
10165006465
1185161888
1247315a29
1328254480
1417cb37a1
15e745c10
hex9d5cc81

165006465 has 16 divisors (see below), whose sum is σ = 284319168. Its totient is φ = 81233856.

The previous prime is 165006451. The next prime is 165006473. The reversal of 165006465 is 564600561.

It is not a de Polignac number, because 165006465 - 217 = 164875393 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 422899 + ... + 423288.

It is an arithmetic number, because the mean of its divisors is an integer number (17769948).

Almost surely, 2165006465 is an apocalyptic number.

165006465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165006465 is a deficient number, since it is larger than the sum of its proper divisors (119312703).

165006465 is a wasteful number, since it uses less digits than its factorization.

165006465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846208.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 165006465 is about 12845.4842259839. The cubic root of 165006465 is about 548.4878186395.

The spelling of 165006465 in words is "one hundred sixty-five million, six thousand, four hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 846187 2538561 4230935 11000431 12692805 33001293 55002155 165006465