Base | Representation |
---|---|
bin | 1100111001110… |
… | …1011010101011 |
3 | 10202211200122021 |
4 | 3032131122223 |
5 | 102323402110 |
6 | 5212005311 |
7 | 1225013353 |
oct | 316353253 |
9 | 122750567 |
10 | 54122155 |
11 | 2860685a |
12 | 16160837 |
13 | b29c759 |
14 | 728bb63 |
15 | 4b412da |
hex | 339d6ab |
54122155 has 8 divisors (see below), whose sum is σ = 64996272. Its totient is φ = 43264608.
The previous prime is 54122137. The next prime is 54122179. The reversal of 54122155 is 55122145.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54122155 - 29 = 54121643 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4809 + ... + 11461.
It is an arithmetic number, because the mean of its divisors is an integer number (8124534).
Almost surely, 254122155 is an apocalyptic number.
54122155 is a deficient number, since it is larger than the sum of its proper divisors (10874117).
54122155 is a wasteful number, since it uses less digits than its factorization.
54122155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8285.
The product of its digits is 2000, while the sum is 25.
The square root of 54122155 is about 7356.7761281692. The cubic root of 54122155 is about 378.2611108017.
The spelling of 54122155 in words is "fifty-four million, one hundred twenty-two thousand, one hundred fifty-five".
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