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108684142 = 2719479853
BaseRepresentation
bin1100111101001…
…10001101101110
321120111201121121
412132212031232
5210310343032
614441251154
72456541250
oct636461556
9246451547
10108684142
1156393006
1230493aba
1319694458
1410611cd0
15981ca97
hex67a636e

108684142 has 32 divisors (see below), whose sum is σ = 196761600. Its totient is φ = 43983648.

The previous prime is 108684139. The next prime is 108684151. The reversal of 108684142 is 241486801.

It is a junction number, because it is equal to n+sod(n) for n = 108684098 and 108684107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126988 + ... + 127840.

It is an arithmetic number, because the mean of its divisors is an integer number (6148800).

Almost surely, 2108684142 is an apocalyptic number.

108684142 is a deficient number, since it is larger than the sum of its proper divisors (88077458).

108684142 is a wasteful number, since it uses less digits than its factorization.

108684142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 108684142 is about 10425.1686796905. The cubic root of 108684142 is about 477.2237624495.

The spelling of 108684142 in words is "one hundred eight million, six hundred eighty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 479 853 958 1706 3353 5971 6706 9101 11942 16207 18202 32414 63707 113449 127414 226898 408587 817174 2860109 5720218 7763153 15526306 54342071 108684142