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102283212 = 2238523601
BaseRepresentation
bin1100001100010…
…11011111001100
321010110112012010
412012023133030
5202141030322
614052141220
72351251533
oct606133714
9233415163
10102283212
1152810989
122a307810
1318262b15
14d82731a
158ea620c
hex618b7cc

102283212 has 12 divisors (see below), whose sum is σ = 238660856. Its totient is φ = 34094400.

The previous prime is 102283211. The next prime is 102283217. The reversal of 102283212 is 212382201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (102283211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261789 + ... + 4261812.

Almost surely, 2102283212 is an apocalyptic number.

102283212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102283212 is an abundant number, since it is smaller than the sum of its proper divisors (136377644).

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

102283212 is a wasteful number, since it uses less digits than its factorization.

102283212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523608 (or 8523606 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102283212 is about 10113.5163024539. The cubic root of 102283212 is about 467.6649109838.

The spelling of 102283212 in words is "one hundred two million, two hundred eighty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 8523601 17047202 25570803 34094404 51141606 102283212