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102330231 = 334110077
BaseRepresentation
bin1100001100101…
…10111101110111
321010112220200120
412012112331313
5202144031411
614053143023
72351535603
oct606267567
9233486616
10102330231
1152843243
122a32aa73
131827b343
14d83a503
158eb5106
hex6196f77

102330231 has 4 divisors (see below), whose sum is σ = 136440312. Its totient is φ = 68220152.

The previous prime is 102330229. The next prime is 102330251. The reversal of 102330231 is 132033201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102330231 - 21 = 102330229 is a prime.

It is a super-2 number, since 2×1023302312 = 20942952353026722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102330231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17055036 + ... + 17055041.

It is an arithmetic number, because the mean of its divisors is an integer number (34110078).

Almost surely, 2102330231 is an apocalyptic number.

102330231 is a deficient number, since it is larger than the sum of its proper divisors (34110081).

102330231 is an equidigital number, since it uses as much as digits as its factorization.

102330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34110080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 102330231 is about 10115.8405977951. The cubic root of 102330231 is about 467.7365609560.

Adding to 102330231 its reverse (132033201), we get a palindrome (234363432).

The spelling of 102330231 in words is "one hundred two million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 34110077 102330231