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102230312 = 2331412219
BaseRepresentation
bin1100001011111…
…10100100101000
321010100211121212
412011332210220
5202132332222
614051052252
72350641362
oct605764450
9233324555
10102230312
1152785168
122a2a1088
1318244a12
14d811d32
158e956e2
hex617e928

102230312 has 16 divisors (see below), whose sum is σ = 197865600. Its totient is φ = 49466160.

The previous prime is 102230291. The next prime is 102230339. The reversal of 102230312 is 213032201.

It is a happy number.

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, 205862 + ... + 206357.

It is an arithmetic number, because the mean of its divisors is an integer number (12366600).

Almost surely, 2102230312 is an apocalyptic number.

It is an amenable number.

102230312 is a deficient number, since it is larger than the sum of its proper divisors (95635288).

102230312 is a wasteful number, since it uses less digits than its factorization.

102230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412256 (or 412252 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102230312 is about 10110.9006522663. The cubic root of 102230312 is about 467.5842729868.

Adding to 102230312 its reverse (213032201), we get a palindrome (315262513).

It can be divided in two parts, 10 and 2230312, that added together give a palindrome (2230322).

The spelling of 102230312 in words is "one hundred two million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 412219 824438 1648876 3297752 12778789 25557578 51115156 102230312