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102342340 = 2255117117
BaseRepresentation
bin1100001100110…
…01111011000100
321010120112022001
412012121323010
5202144423330
614053315044
72351616112
oct606317304
9233515261
10102342340
1152851351
122a335a84
13182839c9
14d840ab2
158eb89ca
hex6199ec4

102342340 has 12 divisors (see below), whose sum is σ = 214918956. Its totient is φ = 40936928.

The previous prime is 102342301. The next prime is 102342353. The reversal of 102342340 is 43243201.

It can be written as a sum of positive squares in 2 ways, for example, as 23736384 + 78605956 = 4872^2 + 8866^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558539 + ... + 2558578.

It is an arithmetic number, because the mean of its divisors is an integer number (17909913).

Almost surely, 2102342340 is an apocalyptic number.

102342340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102342340 is an abundant number, since it is smaller than the sum of its proper divisors (112576616).

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

102342340 is a wasteful number, since it uses less digits than its factorization.

102342340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117126 (or 5117124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102342340 is about 10116.4390968364. The cubic root of 102342340 is about 467.7550097193.

Adding to 102342340 its reverse (43243201), we get a palindrome (145585541).

The spelling of 102342340 in words is "one hundred two million, three hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5117117 10234234 20468468 25585585 51171170 102342340