Base | Representation |
---|---|
bin | 1000010110000… |
… | …01100101101011 |
3 | 11212201022111220 |
4 | 10023001211223 |
5 | 120404431310 |
6 | 10540153123 |
7 | 1506660405 |
oct | 413014553 |
9 | 155638456 |
10 | 69998955 |
11 | 36570284 |
12 | 1b5387a3 |
13 | 1166b200 |
14 | 9421b75 |
15 | 622a670 |
hex | 42c196b |
69998955 has 48 divisors (see below), whose sum is σ = 123801696. Its totient is φ = 33745920.
The previous prime is 69998941. The next prime is 69998993. The reversal of 69998955 is 55989996.
It is not a de Polignac number, because 69998955 - 24 = 69998939 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134095 + ... + 134615.
It is an arithmetic number, because the mean of its divisors is an integer number (2579202).
Almost surely, 269998955 is an apocalyptic number.
69998955 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
69998955 is a deficient number, since it is larger than the sum of its proper divisors (53802741).
69998955 is a wasteful number, since it uses less digits than its factorization.
69998955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608 (or 595 counting only the distinct ones).
The product of its digits is 7873200, while the sum is 60.
The square root of 69998955 is about 8366.5378144128. The cubic root of 69998955 is about 412.1264791406.
The spelling of 69998955 in words is "sixty-nine million, nine hundred ninety-eight thousand, nine hundred fifty-five".
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