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165414 = 23191451
BaseRepresentation
bin101000011000100110
322101220110
4220120212
520243124
63313450
71256154
oct503046
9271813
10165414
11103307
127b886
135a3a2
14443d4
1534029
hex28626

165414 has 16 divisors (see below), whose sum is σ = 348480. Its totient is φ = 52200.

The previous prime is 165397. The next prime is 165437. The reversal of 165414 is 414561.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

165414 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 839.

It is an arithmetic number, because the mean of its divisors is an integer number (21780).

2165414 is an apocalyptic number.

165414 is an abundant number, since it is smaller than the sum of its proper divisors (183066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165414 is a wasteful number, since it uses less digits than its factorization.

165414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its digits is 480, while the sum is 21.

The square root of 165414 is about 406.7111997474. The cubic root of 165414 is about 54.8939001388.

Adding to 165414 its reverse (414561), we get a palindrome (579975).

The spelling of 165414 in words is "one hundred sixty-five thousand, four hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 1451 2902 4353 8706 27569 55138 82707 165414