Base | Representation |
---|---|
bin | 101000011010000… |
… | …0101001111100101 |
3 | 10111111020022110000 |
4 | 1100310011033211 |
5 | 10234043031440 |
6 | 342312051513 |
7 | 45412236600 |
oct | 12064051745 |
9 | 3444208400 |
10 | 1355830245 |
11 | 636370370 |
12 | 31a093b99 |
13 | 187b85023 |
14 | cc0d5337 |
15 | 7e06c730 |
hex | 50d053e5 |
1355830245 has 120 divisors (see below), whose sum is σ = 3084779808. Its totient is φ = 563371200.
The previous prime is 1355830213. The next prime is 1355830261. The reversal of 1355830245 is 5420385531.
1355830245 is a `hidden beast` number, since 1 + 35 + 583 + 0 + 2 + 45 = 666.
It is not a de Polignac number, because 1355830245 - 25 = 1355830213 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 215190 + ... + 221400.
Almost surely, 21355830245 is an apocalyptic number.
1355830245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1355830245 is an abundant number, since it is smaller than the sum of its proper divisors (1728949563).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1355830245 is a wasteful number, since it uses less digits than its factorization.
1355830245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6253 (or 6237 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The square root of 1355830245 is about 36821.6002503965. The cubic root of 1355830245 is about 1106.7981873717.
The spelling of 1355830245 in words is "one billion, three hundred fifty-five million, eight hundred thirty thousand, two hundred forty-five".
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