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168350020 = 22519942299
BaseRepresentation
bin10100000100011…
…01000101000100
3102201210001210221
422002031011010
5321044200040
624412154124
74112644246
oct1202150504
9381701727
10168350020
1187035953
1248468944
1328b552c7
1418504096
15eba674a
hexa08d144

168350020 has 24 divisors (see below), whose sum is σ = 355320000. Its totient is φ = 67000032.

The previous prime is 168350011. The next prime is 168350023. The reversal of 168350020 is 20053861.

It is a happy number.

168350020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168350023) 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, 17170 + ... + 25129.

It is an arithmetic number, because the mean of its divisors is an integer number (14805000).

Almost surely, 2168350020 is an apocalyptic number.

168350020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168350020 is an abundant number, since it is smaller than the sum of its proper divisors (186969980).

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

168350020 is a wasteful number, since it uses less digits than its factorization.

168350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42507 (or 42505 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 168350020 is about 12974.9766859135. The cubic root of 168350020 is about 552.1677752631.

The spelling of 168350020 in words is "one hundred sixty-eight million, three hundred fifty thousand, twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 42299 84598 169196 211495 422990 845980 8417501 16835002 33670004 42087505 84175010 168350020