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168074417 = 724010631
BaseRepresentation
bin10100000010010…
…01110010110001
3102201021001202102
422001021302301
5321011340132
624402230145
74110415610
oct1201116261
9381231672
10168074417
1186967885
1248355355
1328a89a24
1418471877
15eb4ec62
hexa049cb1

168074417 has 4 divisors (see below), whose sum is σ = 192085056. Its totient is φ = 144063780.

The previous prime is 168074411. The next prime is 168074429. The reversal of 168074417 is 714470861.

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 not a de Polignac number, because 168074417 - 28 = 168074161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168074411) 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 3 ways as a sum of consecutive naturals, for example, 12005309 + ... + 12005322.

It is an arithmetic number, because the mean of its divisors is an integer number (48021264).

Almost surely, 2168074417 is an apocalyptic number.

It is an amenable number.

168074417 is a deficient number, since it is larger than the sum of its proper divisors (24010639).

168074417 is an equidigital number, since it uses as much as digits as its factorization.

168074417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24010638.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 168074417 is about 12964.3517770847. The cubic root of 168074417 is about 551.8662958132.

The spelling of 168074417 in words is "one hundred sixty-eight million, seventy-four thousand, four hundred seventeen".

Divisors: 1 7 24010631 168074417