Base | Representation |
---|---|
bin | 1101001001100… |
… | …0110110001111 |
3 | 10211210000100020 |
4 | 3102120312033 |
5 | 103104331030 |
6 | 5250033223 |
7 | 1236533022 |
oct | 322306617 |
9 | 124700306 |
10 | 55152015 |
11 | 2914a586 |
12 | 16578813 |
13 | b570439 |
14 | 74791b9 |
15 | 4c96510 |
hex | 3498d8f |
55152015 has 32 divisors (see below), whose sum is σ = 92775936. Its totient is φ = 27941760.
The previous prime is 55152001. The next prime is 55152047. The reversal of 55152015 is 51025155.
It is not a de Polignac number, because 55152015 - 25 = 55151983 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22710 + ... + 25020.
It is an arithmetic number, because the mean of its divisors is an integer number (2899248).
Almost surely, 255152015 is an apocalyptic number.
55152015 is a deficient number, since it is larger than the sum of its proper divisors (37623921).
55152015 is a wasteful number, since it uses less digits than its factorization.
55152015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2399.
The product of its (nonzero) digits is 1250, while the sum is 24.
The square root of 55152015 is about 7426.4402643528. The cubic root of 55152015 is about 380.6452909392.
The spelling of 55152015 in words is "fifty-five million, one hundred fifty-two thousand, fifteen".
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