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169001329 = 7181133387
BaseRepresentation
bin10100001001011…
…00000101110001
3102210000011020111
422010230011301
5321231020304
624434141321
74121326150
oct1204540561
9383004214
10169001329
1187440222
1248721841
13290228b3
1418633597
15ec84704
hexa12c171

169001329 has 8 divisors (see below), whose sum is σ = 194212928. Its totient is φ = 144056880.

The previous prime is 169001323. The next prime is 169001359. The reversal of 169001329 is 923100961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169001329 - 23 = 169001321 is a prime.

It is a super-2 number, since 2×1690013292 = 57122898407532482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 169001329.

It is not an unprimeable number, because it can be changed into a prime (169001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65427 + ... + 67960.

It is an arithmetic number, because the mean of its divisors is an integer number (24276616).

Almost surely, 2169001329 is an apocalyptic number.

It is an amenable number.

169001329 is a deficient number, since it is larger than the sum of its proper divisors (25211599).

169001329 is a wasteful number, since it uses less digits than its factorization.

169001329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133575.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 169001329 is about 13000.0511152841. The cubic root of 169001329 is about 552.8789306228.

The spelling of 169001329 in words is "one hundred sixty-nine million, one thousand, three hundred twenty-nine".

Divisors: 1 7 181 1267 133387 933709 24143047 169001329