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102322245 = 357439181
BaseRepresentation
bin1100001100101…
…01000001000101
321010112111201210
412012111001011
5202143302440
614053042033
72351503404
oct606250105
9233474653
10102322245
1152838243
122a326319
131827780c
14d83763b
158eb2a80
hex6195045

102322245 has 16 divisors (see below), whose sum is σ = 163953792. Its totient is φ = 54492480.

The previous prime is 102322223. The next prime is 102322261. The reversal of 102322245 is 542223201.

It is not a de Polignac number, because 102322245 - 210 = 102321221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6555 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (10247112).

Almost surely, 2102322245 is an apocalyptic number.

102322245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102322245 is a deficient number, since it is larger than the sum of its proper divisors (61631547).

102322245 is an equidigital number, since it uses as much as digits as its factorization.

102322245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102322245 is about 10115.4458626400. The cubic root of 102322245 is about 467.7243930257.

Adding to 102322245 its reverse (542223201), we get a palindrome (644545446).

The spelling of 102322245 in words is "one hundred two million, three hundred twenty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 743 2229 3715 9181 11145 27543 45905 137715 6821483 20464449 34107415 102322245