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165141412 = 2256373331
BaseRepresentation
bin10011101011111…
…01101110100100
3102111202001102121
421311331232210
5314234011122
624215315324
74043451562
oct1165755644
9374661377
10165141412
1185244207
124737bb44
13282a0a17
1417d0aa32
15e770bc7
hex9d7dba4

165141412 has 12 divisors (see below), whose sum is σ = 289514736. Its totient is φ = 82422920.

The previous prime is 165141377. The next prime is 165141421. The reversal of 165141412 is 214141561.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34414 + ... + 38917.

It is an arithmetic number, because the mean of its divisors is an integer number (24126228).

Almost surely, 2165141412 is an apocalyptic number.

It is an amenable number.

165141412 is a deficient number, since it is larger than the sum of its proper divisors (124373324).

165141412 is a wasteful number, since it uses less digits than its factorization.

165141412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73898 (or 73896 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 165141412 is about 12850.7358544171. The cubic root of 165141412 is about 548.6373008979.

Adding to 165141412 its reverse (214141561), we get a palindrome (379282973).

The spelling of 165141412 in words is "one hundred sixty-five million, one hundred forty-one thousand, four hundred twelve".

Divisors: 1 2 4 563 1126 2252 73331 146662 293324 41285353 82570706 165141412