Base | Representation |
---|---|
bin | 1000000101101… |
… | …00111101000111 |
3 | 11201200010210000 |
4 | 10002310331013 |
5 | 114332200210 |
6 | 10422132343 |
7 | 1452500400 |
oct | 402647507 |
9 | 151603700 |
10 | 67850055 |
11 | 35332829 |
12 | 1a8810b3 |
13 | 11098080 |
14 | 90229a7 |
15 | 5e53ac0 |
hex | 40b4f47 |
67850055 has 120 divisors (see below), whose sum is σ = 152947872. Its totient is φ = 28522368.
The previous prime is 67850047. The next prime is 67850071. The reversal of 67850055 is 55005876.
It is not a de Polignac number, because 67850055 - 23 = 67850047 is a prime.
It is a congruent number.
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 119 ways as a sum of consecutive naturals, for example, 257854 + ... + 258116.
Almost surely, 267850055 is an apocalyptic number.
67850055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
67850055 is an abundant number, since it is smaller than the sum of its proper divisors (85097817).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67850055 is a wasteful number, since it uses less digits than its factorization.
67850055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307 (or 291 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The square root of 67850055 is about 8237.1144826329. The cubic root of 67850055 is about 407.8652777512.
The spelling of 67850055 in words is "sixty-seven million, eight hundred fifty thousand, fifty-five".
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