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108216100 = 22521082161
BaseRepresentation
bin1100111001100…
…11111100100100
321112121221120201
412130303330210
5210200403400
614423240244
72452551556
oct634637444
9245557521
10108216100
11560a33a3
12302a9084
131955c3c5
141052d4d6
15977906a
hex6733f24

108216100 has 18 divisors (see below), whose sum is σ = 234829154. Its totient is φ = 43286400.

The previous prime is 108216091. The next prime is 108216103. The reversal of 108216100 is 1612801.

It can be written as a sum of positive squares in 3 ways, for example, as 3849444 + 104366656 = 1962^2 + 10216^2 .

It is not an unprimeable number, because it can be changed into a prime (108216103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540981 + ... + 541180.

Almost surely, 2108216100 is an apocalyptic number.

108216100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108216100 is an abundant number, since it is smaller than the sum of its proper divisors (126613054).

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

108216100 is a wasteful number, since it uses less digits than its factorization.

108216100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082175 (or 1082168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 108216100 is about 10402.6967657430. The cubic root of 108216100 is about 476.5377311681.

Adding to 108216100 its reverse (1612801), we get a palindrome (109828901).

The spelling of 108216100 in words is "one hundred eight million, two hundred sixteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1082161 2164322 4328644 5410805 10821610 21643220 27054025 54108050 108216100