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102412200 = 233521159263
BaseRepresentation
bin1100001101010…
…10111110101000
321010201002010110
412012222332220
5202204142300
614055014320
72352326562
oct606527650
9233632113
10102412200
1152899890
122a36a3a0
13182a9747
14d85c332
158ece550
hex61aafa8

102412200 has 192 divisors, whose sum is σ = 353548800. Its totient is φ = 24313600.

The previous prime is 102412183. The next prime is 102412207. The reversal of 102412200 is 2214201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (102412207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389269 + ... + 389531.

It is an arithmetic number, because the mean of its divisors is an integer number (1841400).

Almost surely, 2102412200 is an apocalyptic number.

102412200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102412200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

102412200 is an abundant number, since it is smaller than the sum of its proper divisors (251136600).

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

102412200 is a wasteful number, since it uses less digits than its factorization.

102412200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102412200 is about 10119.8913037641. The cubic root of 102412200 is about 467.8614170723.

Adding to 102412200 its reverse (2214201), we get a palindrome (104626401).

The spelling of 102412200 in words is "one hundred two million, four hundred twelve thousand, two hundred".