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168343908 = 223131107089
BaseRepresentation
bin10100000100010…
…11100101100100
3102201202202102120
422002023211210
5321044001113
624412105540
74112620365
oct1202134544
9381682376
10168343908
11870312a7
12484652b0
1328b525a5
1418501b6c
15eba4a23
hexa08b964

168343908 has 24 divisors (see below), whose sum is σ = 395804640. Its totient is φ = 55685760.

The previous prime is 168343891. The next prime is 168343963. The reversal of 168343908 is 809343861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 168343908.

It is an unprimeable number.

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, 51973 + ... + 55116.

It is an arithmetic number, because the mean of its divisors is an integer number (16491860).

Almost surely, 2168343908 is an apocalyptic number.

It is an amenable number.

168343908 is an abundant number, since it is smaller than the sum of its proper divisors (227460732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168343908 is a wasteful number, since it uses less digits than its factorization.

168343908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107227 (or 107225 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 168343908 is about 12974.7411534874. The cubic root of 168343908 is about 552.1610929744.

The spelling of 168343908 in words is "one hundred sixty-eight million, three hundred forty-three thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 107089 214178 321267 428356 642534 1285068 14028659 28057318 42085977 56114636 84171954 168343908