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102024220 = 2255101211
BaseRepresentation
bin1100001010011…
…00010000011100
321002222100220211
412011030100130
5202104233340
614042422204
72346122464
oct605142034
9232870824
10102024220
1152654341
122a201964
13181a1c7c
14d79aba4
158e545ea
hex614c41c

102024220 has 12 divisors (see below), whose sum is σ = 214250904. Its totient is φ = 40809680.

The previous prime is 102024173. The next prime is 102024227. The reversal of 102024220 is 22420201.

It is a self number, because there is not a number n which added to its sum of digits gives 102024220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102024227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550586 + ... + 2550625.

It is an arithmetic number, because the mean of its divisors is an integer number (17854242).

Almost surely, 2102024220 is an apocalyptic number.

102024220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102024220 is an abundant number, since it is smaller than the sum of its proper divisors (112226684).

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

102024220 is a wasteful number, since it uses less digits than its factorization.

102024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101220 (or 5101218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 102024220 is about 10100.7039358651. The cubic root of 102024220 is about 467.2698515434.

Adding to 102024220 its reverse (22420201), we get a palindrome (124444421).

The spelling of 102024220 in words is "one hundred two million, twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5101211 10202422 20404844 25506055 51012110 102024220