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163423060 = 2258171153
BaseRepresentation
bin10011011110110…
…10001101010100
3102101111202021221
421233122031110
5313314014220
624114420124
74023034033
oct1157321524
9371452257
10163423060
1184280189
1246891644
1327b1b848
14179c071a
15e5319aa
hex9bda354

163423060 has 12 divisors (see below), whose sum is σ = 343188468. Its totient is φ = 65369216.

The previous prime is 163423049. The next prime is 163423063. The reversal of 163423060 is 60324361.

It can be written as a sum of positive squares in 2 ways, for example, as 121484484 + 41938576 = 11022^2 + 6476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163423063) 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, 4085557 + ... + 4085596.

It is an arithmetic number, because the mean of its divisors is an integer number (28599039).

Almost surely, 2163423060 is an apocalyptic number.

163423060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163423060 is an abundant number, since it is smaller than the sum of its proper divisors (179765408).

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

163423060 is a wasteful number, since it uses less digits than its factorization.

163423060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171162 (or 8171160 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 163423060 is about 12783.7029064352. The cubic root of 163423060 is about 546.7277436881.

The spelling of 163423060 in words is "one hundred sixty-three million, four hundred twenty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 8171153 16342306 32684612 40855765 81711530 163423060