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108212260 = 22513416201
BaseRepresentation
bin1100111001100…
…11000000100100
321112121202022111
412130303000210
5210200243020
614423210404
72452534432
oct634630044
9245552274
10108212260
11560a0522
12302a6a04
131955a730
141052bd52
159777d5a
hex6733024

108212260 has 24 divisors (see below), whose sum is σ = 244726776. Its totient is φ = 39955200.

The previous prime is 108212249. The next prime is 108212267. The reversal of 108212260 is 62212801.

It can be written as a sum of positive squares in 4 ways, for example, as 2903616 + 105308644 = 1704^2 + 10262^2 .

It is not an unprimeable number, because it can be changed into a prime (108212267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207841 + ... + 208360.

It is an arithmetic number, because the mean of its divisors is an integer number (10196949).

Almost surely, 2108212260 is an apocalyptic number.

108212260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108212260 is an abundant number, since it is smaller than the sum of its proper divisors (136514516).

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

108212260 is a wasteful number, since it uses less digits than its factorization.

108212260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416223 (or 416221 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 108212260 is about 10402.5121965802. The cubic root of 108212260 is about 476.5320945252.

The spelling of 108212260 in words is "one hundred eight million, two hundred twelve thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 416201 832402 1664804 2081005 4162010 5410613 8324020 10821226 21642452 27053065 54106130 108212260