Base | Representation |
---|---|
bin | 1101000001001… |
… | …11111010001010 |
3 | 21121111201022201 |
4 | 12200213322022 |
5 | 210424342440 |
6 | 14500510414 |
7 | 2464213105 |
oct | 640477212 |
9 | 247451281 |
10 | 109215370 |
11 | 56716140 |
12 | 306ab40a |
13 | 1981c1a4 |
14 | 1070d73c |
15 | 98c519a |
hex | 6827e8a |
109215370 has 16 divisors (see below), whose sum is σ = 214459488. Its totient is φ = 39714640.
The previous prime is 109215347. The next prime is 109215383. The reversal of 109215370 is 73512901.
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 7 ways as a sum of consecutive naturals, for example, 496324 + ... + 496543.
It is an arithmetic number, because the mean of its divisors is an integer number (13403718).
Almost surely, 2109215370 is an apocalyptic number.
109215370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
109215370 is a deficient number, since it is larger than the sum of its proper divisors (105244118).
109215370 is a wasteful number, since it uses less digits than its factorization.
109215370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 992885.
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 109215370 is about 10450.6157713314. The cubic root of 109215370 is about 478.0000262600. Note that the first 4 decimals are identical.
The spelling of 109215370 in words is "one hundred nine million, two hundred fifteen thousand, three hundred seventy".
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