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102065684 = 2273798519
BaseRepresentation
bin1100001010101…
…10011000010100
321010001110210112
412011112120110
5202112100214
614043342152
72346354410
oct605263024
9233043715
10102065684
1152682506
122a221958
13181b7ac6
14d7abd40
158e61a3e
hex6156614

102065684 has 24 divisors (see below), whose sum is σ = 209650560. Its totient is φ = 42559776.

The previous prime is 102065683. The next prime is 102065699. The reversal of 102065684 is 486560201.

It is a self number, because there is not a number n which added to its sum of digits gives 102065684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102065683) 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 7 ways as a sum of consecutive naturals, for example, 48224 + ... + 50295.

It is an arithmetic number, because the mean of its divisors is an integer number (8735440).

Almost surely, 2102065684 is an apocalyptic number.

102065684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102065684 is an abundant number, since it is smaller than the sum of its proper divisors (107584876).

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

102065684 is a wasteful number, since it uses less digits than its factorization.

102065684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98567 (or 98565 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 102065684 is about 10102.7562575764. The cubic root of 102065684 is about 467.3331445307. Note that the first 3 decimals are identical.

The spelling of 102065684 in words is "one hundred two million, sixty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 98519 197038 394076 689633 1379266 2758532 3645203 7290406 14580812 25516421 51032842 102065684