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102020196 = 223171926321
BaseRepresentation
bin1100001010010…
…11010001100100
321002222011101210
412011023101210
5202104121241
614042351420
72346104655
oct605132144
9232864353
10102020196
1152651313
122a1bb570
13181a01a5
14d79952c
158e53316
hex614b464

102020196 has 48 divisors (see below), whose sum is σ = 265325760. Its totient is φ = 30320640.

The previous prime is 102020189. The next prime is 102020227. The reversal of 102020196 is 691020201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9285 + ... + 17036.

It is an arithmetic number, because the mean of its divisors is an integer number (5527620).

Almost surely, 2102020196 is an apocalyptic number.

It is an amenable number.

102020196 is an abundant number, since it is smaller than the sum of its proper divisors (163305564).

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

102020196 is a wasteful number, since it uses less digits than its factorization.

102020196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26364 (or 26362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 102020196 is about 10100.5047398633. The cubic root of 102020196 is about 467.2637081701.

Adding to 102020196 its reverse (691020201), we get a palindrome (793040397).

The spelling of 102020196 in words is "one hundred two million, twenty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 114 204 228 323 646 969 1292 1938 3876 26321 52642 78963 105284 157926 315852 447457 500099 894914 1000198 1342371 1500297 1789828 2000396 2684742 3000594 5369484 6001188 8501683 17003366 25505049 34006732 51010098 102020196