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169002 = 23241229
BaseRepresentation
bin101001010000101010
322120211100
4221100222
520402002
63342230
71302501
oct512052
9276740
10169002
11105a79
1281976
135bc02
1445838
153511c
hex2942a

169002 has 24 divisors (see below), whose sum is σ = 376740. Its totient is φ = 54720.

The previous prime is 168991. The next prime is 169003. The reversal of 169002 is 200961.

It can be written as a sum of positive squares in 2 ways, for example, as 168921 + 81 = 411^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (169003) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 624 + ... + 852.

2169002 is an apocalyptic number.

169002 is an abundant number, since it is smaller than the sum of its proper divisors (207738).

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

169002 is a wasteful number, since it uses less digits than its factorization.

169002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 169002 is about 411.0985283360. The cubic root of 169002 is about 55.2879662336.

Adding to 169002 its reverse (200961), we get a palindrome (369963).

The spelling of 169002 in words is "one hundred sixty-nine thousand, two".

Divisors: 1 2 3 6 9 18 41 82 123 229 246 369 458 687 738 1374 2061 4122 9389 18778 28167 56334 84501 169002