Base | Representation |
---|---|
bin | 1101011001111… |
… | …0110101111111 |
3 | 10220210112102000 |
4 | 3112132311333 |
5 | 103343201101 |
6 | 5325033343 |
7 | 1251622503 |
oct | 326366577 |
9 | 126715360 |
10 | 56225151 |
11 | 29812874 |
12 | 169b5853 |
13 | b857a28 |
14 | 7678303 |
15 | 4e09486 |
hex | 359ed7f |
56225151 has 8 divisors (see below), whose sum is σ = 83296560. Its totient is φ = 37483416.
The previous prime is 56225149. The next prime is 56225159. The reversal of 56225151 is 15152265.
56225151 is a `hidden beast` number, since 562 + 2 + 51 + 51 = 666.
It is not a de Polignac number, because 56225151 - 21 = 56225149 is a prime.
It is a super-2 number, since 2×562251512 = 6322535209945602, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2082413 = 56225151 / (5 + 6 + 2 + 2 + 5 + 1 + 5 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56225159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041180 + ... + 1041233.
It is an arithmetic number, because the mean of its divisors is an integer number (10412070).
Almost surely, 256225151 is an apocalyptic number.
56225151 is a deficient number, since it is larger than the sum of its proper divisors (27071409).
56225151 is a wasteful number, since it uses less digits than its factorization.
56225151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2082422 (or 2082416 counting only the distinct ones).
The product of its digits is 3000, while the sum is 27.
The square root of 56225151 is about 7498.3432170047. The cubic root of 56225151 is about 383.0982870774.
It can be divided in two parts, 5 and 6225151, that added together give a triangular number (6225156 = T3528).
The spelling of 56225151 in words is "fifty-six million, two hundred twenty-five thousand, one hundred fifty-one".
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