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168049 = 724007
BaseRepresentation
bin101001000001110001
322112112001
4221001301
520334144
63334001
71266640
oct510161
9275461
10168049
11105292
1281301
135b64b
1445357
1534bd4
hex29071

168049 has 4 divisors (see below), whose sum is σ = 192064. Its totient is φ = 144036.

The previous prime is 168043. The next prime is 168067. The reversal of 168049 is 940861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168049 - 29 = 167537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168043) 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 3 ways as a sum of consecutive naturals, for example, 11997 + ... + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (48016).

2168049 is an apocalyptic number.

It is an amenable number.

168049 is a deficient number, since it is larger than the sum of its proper divisors (24015).

168049 is an equidigital number, since it uses as much as digits as its factorization.

168049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24014.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 168049 is about 409.9378001600. The cubic root of 168049 is about 55.1838475809.

The spelling of 168049 in words is "one hundred sixty-eight thousand, forty-nine".

Divisors: 1 7 24007 168049