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168033049 = 179884297
BaseRepresentation
bin10100000001111…
…11101100011001
3102201011222000021
422000333230121
5321004024144
624401310441
74110154162
oct1200775431
9381158007
10168033049
1186939798
1248335421
1328a73c52
1418460769
15eb42884
hexa03fb19

168033049 has 4 divisors (see below), whose sum is σ = 177917364. Its totient is φ = 158148736.

The previous prime is 168033031. The next prime is 168033071. The reversal of 168033049 is 940330861.

168033049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153264400 + 14768649 = 12380^2 + 3843^2 .

It is a cyclic number.

It is not a de Polignac number, because 168033049 - 29 = 168032537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168033149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4942132 + ... + 4942165.

It is an arithmetic number, because the mean of its divisors is an integer number (44479341).

Almost surely, 2168033049 is an apocalyptic number.

It is an amenable number.

168033049 is a deficient number, since it is larger than the sum of its proper divisors (9884315).

168033049 is an equidigital number, since it uses as much as digits as its factorization.

168033049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884314.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 168033049 is about 12962.7562269758. The cubic root of 168033049 is about 551.8210153186.

The spelling of 168033049 in words is "one hundred sixty-eight million, thirty-three thousand, forty-nine".

Divisors: 1 17 9884297 168033049