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168005470 = 2549134217
BaseRepresentation
bin10100000001110…
…00111101011110
3102201010120011211
422000320331132
5321002133340
624400535034
74110010603
oct1200707536
9381116154
10168005470
118691aaa6
124832147a
1328a64529
14184546aa
15eb395ea
hexa038f5e

168005470 has 16 divisors (see below), whose sum is σ = 303034608. Its totient is φ = 67063360.

The previous prime is 168005449. The next prime is 168005471. The reversal of 168005470 is 74500861.

168005470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168005471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12199 + ... + 22018.

It is an arithmetic number, because the mean of its divisors is an integer number (18939663).

Almost surely, 2168005470 is an apocalyptic number.

168005470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168005470 is a deficient number, since it is larger than the sum of its proper divisors (135029138).

168005470 is a wasteful number, since it uses less digits than its factorization.

168005470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34715.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 168005470 is about 12961.6924049292. The cubic root of 168005470 is about 551.7908238284.

The spelling of 168005470 in words is "one hundred sixty-eight million, five thousand, four hundred seventy".

Divisors: 1 2 5 10 491 982 2455 4910 34217 68434 171085 342170 16800547 33601094 84002735 168005470