Base | Representation |
---|---|
bin | 1110101011001… |
… | …01000010111011 |
3 | 22120121222201100 |
4 | 13111211002323 |
5 | 223003103100 |
6 | 20114222443 |
7 | 3023211120 |
oct | 725450273 |
9 | 276558640 |
10 | 123097275 |
11 | 63537894 |
12 | 35284a23 |
13 | 1c66c932 |
14 | 124c4747 |
15 | ac18400 |
hex | 75650bb |
123097275 has 36 divisors (see below), whose sum is σ = 251981392. Its totient is φ = 56272320.
The previous prime is 123097267. The next prime is 123097279. The reversal of 123097275 is 572790321.
It is not a de Polignac number, because 123097275 - 23 = 123097267 is a prime.
It is a super-2 number, since 2×1230972752 = 30305878224851250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123097279) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37504 + ... + 40653.
Almost surely, 2123097275 is an apocalyptic number.
123097275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
123097275 is an abundant number, since it is smaller than the sum of its proper divisors (128884117).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123097275 is a wasteful number, since it uses less digits than its factorization.
123097275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78180 (or 78172 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 123097275 is about 11094.9211353664. The cubic root of 123097275 is about 497.4500509603.
The spelling of 123097275 in words is "one hundred twenty-three million, ninety-seven thousand, two hundred seventy-five".
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