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168379120 = 245713101229
BaseRepresentation
bin10100000100101…
…00001011110000
3102201211112201201
422002110023300
5321101112440
624412540544
74113125140
oct1202241360
9381745651
10168379120
11870557a8
1248481754
1328b65620
1418510920
15ebb019a
hexa0942f0

168379120 has 160 divisors (see below), whose sum is σ = 488718720. Its totient is φ = 52531200.

The previous prime is 168379103. The next prime is 168379139. The reversal of 168379120 is 21973861.

It is a self number, because there is not a number n which added to its sum of digits gives 168379120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735166 + ... + 735394.

It is an arithmetic number, because the mean of its divisors is an integer number (3054492).

Almost surely, 2168379120 is an apocalyptic number.

168379120 is a gapful number since it is divisible by the number (10) 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 168379120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244359360).

168379120 is an abundant number, since it is smaller than the sum of its proper divisors (320339600).

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

168379120 is a wasteful number, since it uses less digits than its factorization.

168379120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 168379120 is about 12976.0980267567. The cubic root of 168379120 is about 552.1995882611.

The spelling of 168379120 in words is "one hundred sixty-eight million, three hundred seventy-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 101 104 112 130 140 182 202 208 229 260 280 364 404 455 458 505 520 560 707 728 808 910 916 1010 1040 1145 1313 1414 1456 1603 1616 1820 1832 2020 2290 2626 2828 2977 3206 3535 3640 3664 4040 4580 5252 5656 5954 6412 6565 7070 7280 8015 8080 9160 9191 10504 11312 11908 12824 13130 14140 14885 16030 18320 18382 20839 21008 23129 23816 25648 26260 28280 29770 32060 36764 41678 45955 46258 47632 52520 56560 59540 64120 73528 83356 91910 92516 104195 105040 115645 119080 128240 147056 161903 166712 183820 185032 208390 231290 238160 300677 323806 333424 367640 370064 416780 462580 601354 647612 735280 809515 833560 925160 1202708 1295224 1503385 1619030 1667120 1850320 2104739 2405416 2590448 3006770 3238060 4209478 4810832 6013540 6476120 8418956 10523695 12027080 12952240 16837912 21047390 24054160 33675824 42094780 84189560 168379120