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39988102 = 27111032521
BaseRepresentation
bin1001100010001…
…0101110000110
32210020121100211
42120202232012
540214104402
63545030034
7663615250
oct230425606
983217324
1039988102
1120632720
121148531a
1383912cb
14544ccd0
15379d4d7
hex2622b86

39988102 has 32 divisors (see below), whose sum is σ = 75538944. Its totient is φ = 15422400.

The previous prime is 39988073. The next prime is 39988111. The reversal of 39988102 is 20188993.

It is a congruent number.

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, 14602 + ... + 17122.

It is an arithmetic number, because the mean of its divisors is an integer number (2360592).

Almost surely, 239988102 is an apocalyptic number.

39988102 is a deficient number, since it is larger than the sum of its proper divisors (35550842).

39988102 is a wasteful number, since it uses less digits than its factorization.

39988102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 39988102 is about 6323.6146308895. The cubic root of 39988102 is about 341.9612771497.

It can be divided in two parts, 3998 and 8102, that added together give a square (12100 = 1102).

The spelling of 39988102 in words is "thirty-nine million, nine hundred eighty-eight thousand, one hundred two".

Divisors: 1 2 7 11 14 22 77 103 154 206 721 1133 1442 2266 2521 5042 7931 15862 17647 27731 35294 55462 194117 259663 388234 519326 1817641 2856293 3635282 5712586 19994051 39988102