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102089160 = 23385389
BaseRepresentation
bin1100001010111…
…00000111001000
321010002200000000
412011130013020
5202113323120
614044043000
72346513015
oct605340710
9233080000
10102089160
1152699108
122a233460
13181c56b4
14d7b670c
158e68990
hex615c1c8

102089160 has 144 divisors (see below), whose sum is σ = 345419100. Its totient is φ = 27153792.

The previous prime is 102089159. The next prime is 102089167. The reversal of 102089160 is 61980201.

It can be written as a sum of positive squares in 2 ways, for example, as 97653924 + 4435236 = 9882^2 + 2106^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102089167) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 262246 + ... + 262634.

Almost surely, 2102089160 is an apocalyptic number.

102089160 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 102089160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172709550).

102089160 is an abundant number, since it is smaller than the sum of its proper divisors (243329940).

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

102089160 is an frugal number, since it uses more digits than its factorization.

102089160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 102089160 is about 10103.9180519242. The cubic root of 102089160 is about 467.3689720208.

The spelling of 102089160 in words is "one hundred two million, eighty-nine thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 389 405 486 540 648 729 778 810 972 1080 1167 1215 1458 1556 1620 1944 1945 2187 2334 2430 2916 3112 3240 3501 3645 3890 4374 4668 4860 5832 5835 6561 7002 7290 7780 8748 9336 9720 10503 10935 11670 13122 14004 14580 15560 17496 17505 21006 21870 23340 26244 28008 29160 31509 32805 35010 42012 43740 46680 52488 52515 63018 65610 70020 84024 87480 94527 105030 126036 131220 140040 157545 189054 210060 252072 262440 283581 315090 378108 420120 472635 567162 630180 756216 850743 945270 1134324 1260360 1417905 1701486 1890540 2268648 2552229 2835810 3402972 3781080 4253715 5104458 5671620 6805944 8507430 10208916 11343240 12761145 17014860 20417832 25522290 34029720 51044580 102089160