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102331443 = 3435631409
BaseRepresentation
bin1100001100101…
…11010000110011
321010112222100110
412012113100303
5202144101233
614053152403
72351542254
oct606272063
9233488313
10102331443
1152844145
122a32b703
131827ba66
14d83ab2b
158eb5663
hex6197433

102331443 has 16 divisors (see below), whose sum is σ = 139962240. Its totient is φ = 66468864.

The previous prime is 102331441. The next prime is 102331457. The reversal of 102331443 is 344133201.

It is not a de Polignac number, because 102331443 - 21 = 102331441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102331441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71923 + ... + 73331.

It is an arithmetic number, because the mean of its divisors is an integer number (8747640).

Almost surely, 2102331443 is an apocalyptic number.

102331443 is a deficient number, since it is larger than the sum of its proper divisors (37630797).

102331443 is a wasteful number, since it uses less digits than its factorization.

102331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102331443 is about 10115.9005036625. The cubic root of 102331443 is about 467.7384075738.

Adding to 102331443 its reverse (344133201), we get a palindrome (446464644).

The spelling of 102331443 in words is "one hundred two million, three hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 3 43 129 563 1409 1689 4227 24209 60587 72627 181761 793267 2379801 34110481 102331443