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168371712 = 293261599
BaseRepresentation
bin10100000100100…
…10011000000000
3102201211011120100
422002102120000
5321100343322
624412442400
74113064425
oct1202223000
9381734510
10168371712
1187050183
1248479400
1328b62142
141850bd4c
15ebacdac
hexa092600

168371712 has 120 divisors (see below), whose sum is σ = 494722800. Its totient is φ = 55111680.

The previous prime is 168371681. The next prime is 168371729. The reversal of 168371712 is 217173861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280789 + ... + 281387.

It is an arithmetic number, because the mean of its divisors is an integer number (4122690).

Almost surely, 2168371712 is an apocalyptic number.

168371712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168371712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247361400).

168371712 is an abundant number, since it is smaller than the sum of its proper divisors (326351088).

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

168371712 is an equidigital number, since it uses as much as digits as its factorization.

168371712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 665 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 168371712 is about 12975.8125757118. The cubic root of 168371712 is about 552.1914899598.

The spelling of 168371712 in words is "one hundred sixty-eight million, three hundred seventy-one thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 96 122 128 144 183 192 244 256 288 366 384 488 512 549 576 599 732 768 976 1098 1152 1198 1464 1536 1797 1952 2196 2304 2396 2928 3594 3904 4392 4608 4792 5391 5856 7188 7808 8784 9584 10782 11712 14376 15616 17568 19168 21564 23424 28752 31232 35136 36539 38336 43128 46848 57504 70272 73078 76672 86256 93696 109617 115008 140544 146156 153344 172512 219234 230016 281088 292312 306688 328851 345024 438468 460032 584624 657702 690048 876936 920064 1169248 1315404 1380096 1753872 2338496 2630808 2760192 3507744 4676992 5261616 7015488 9353984 10523232 14030976 18707968 21046464 28061952 42092928 56123904 84185856 168371712