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102281514 = 23107313509
BaseRepresentation
bin1100001100010…
…11000100101010
321010110102212020
412012023010222
5202141002024
614052125310
72351243556
oct606130452
9233412766
10102281514
115280a685
122a306836
131826210a
14d826866
158ea5979
hex618b12a

102281514 has 32 divisors (see below), whose sum is σ = 207541440. Its totient is φ = 33601152.

The previous prime is 102281513. The next prime is 102281519. The reversal of 102281514 is 415182201.

It is a super-2 number, since 2×1022815142 = 20923016212264392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102281513) 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 15 ways as a sum of consecutive naturals, for example, 200692 + ... + 201200.

It is an arithmetic number, because the mean of its divisors is an integer number (6485670).

Almost surely, 2102281514 is an apocalyptic number.

102281514 is an abundant number, since it is smaller than the sum of its proper divisors (105259926).

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

102281514 is a wasteful number, since it uses less digits than its factorization.

102281514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 102281514 is about 10113.4323550415. The cubic root of 102281514 is about 467.6623230733.

The spelling of 102281514 in words is "one hundred two million, two hundred eighty-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 107 214 313 321 509 626 642 939 1018 1527 1878 3054 33491 54463 66982 100473 108926 159317 163389 200946 318634 326778 477951 955902 17046919 34093838 51140757 102281514