Base | Representation |
---|---|
bin | 1101010001000… |
… | …0100100101010 |
3 | 10212200221001000 |
4 | 3110100210222 |
5 | 103221024120 |
6 | 5304335430 |
7 | 1243644525 |
oct | 324204452 |
9 | 125627030 |
10 | 55642410 |
11 | 29454a6a |
12 | 16774576 |
13 | b6b2705 |
14 | 7565bbc |
15 | 4d41990 |
hex | 351092a |
55642410 has 32 divisors (see below), whose sum is σ = 148380480. Its totient is φ = 14837904.
The previous prime is 55642409. The next prime is 55642417. The reversal of 55642410 is 1424655.
55642410 is a `hidden beast` number, since 5 + 5 + 642 + 4 + 10 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (55642417) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102772 + ... + 103311.
It is an arithmetic number, because the mean of its divisors is an integer number (4636890).
Almost surely, 255642410 is an apocalyptic number.
55642410 is an abundant number, since it is smaller than the sum of its proper divisors (92738070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55642410 is a wasteful number, since it uses less digits than its factorization.
55642410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206099 (or 206093 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 55642410 is about 7459.3840228265. The cubic root of 55642410 is about 381.7701576890.
The spelling of 55642410 in words is "fifty-five million, six hundred forty-two thousand, four hundred ten".
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