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102385684 = 22311137307
BaseRepresentation
bin1100001101001…
…00100000010100
321010122201202101
412012210200110
5202202320214
614054251444
72352156352
oct606444024
9233581671
10102385684
1152880975
122a356b84
131829a65b
14d8527d2
158ec6774
hex61a4814

102385684 has 24 divisors (see below), whose sum is σ = 186617088. Its totient is φ = 49096320.

The previous prime is 102385669. The next prime is 102385711. The reversal of 102385684 is 486583201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10359 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (7775712).

Almost surely, 2102385684 is an apocalyptic number.

It is an amenable number.

102385684 is a deficient number, since it is larger than the sum of its proper divisors (84231404).

102385684 is a wasteful number, since it uses less digits than its factorization.

102385684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455 (or 7453 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 102385684 is about 10118.5811258298. The cubic root of 102385684 is about 467.8210348907.

The spelling of 102385684 in words is "one hundred two million, three hundred eighty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 31 62 113 124 226 452 3503 7006 7307 14012 14614 29228 226517 453034 825691 906068 1651382 3302764 25596421 51192842 102385684