Base | Representation |
---|---|
bin | 11010110111100… |
… | …00101010111111 |
3 | 120201002112200111 |
4 | 31123300222333 |
5 | 430144143210 |
6 | 34210410451 |
7 | 5404464424 |
oct | 1533605277 |
9 | 521075614 |
10 | 225381055 |
11 | 106249139 |
12 | 63590a27 |
13 | 37902a93 |
14 | 21d0bd4b |
15 | 14bbe88a |
hex | d6f0abf |
225381055 has 8 divisors (see below), whose sum is σ = 272985552. Its totient is φ = 178619328.
The previous prime is 225381043. The next prime is 225381061. The reversal of 225381055 is 550183522.
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 225381055 - 213 = 225372863 is a prime.
It is a Duffinian number.
It is a congruent 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, 210102 + ... + 211171.
It is an arithmetic number, because the mean of its divisors is an integer number (34123194).
Almost surely, 2225381055 is an apocalyptic number.
225381055 is a deficient number, since it is larger than the sum of its proper divisors (47604497).
225381055 is a wasteful number, since it uses less digits than its factorization.
225381055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421385.
The product of its (nonzero) digits is 12000, while the sum is 31.
The square root of 225381055 is about 15012.6964599968. The cubic root of 225381055 is about 608.5633619774.
The spelling of 225381055 in words is "two hundred twenty-five million, three hundred eighty-one thousand, fifty-five".
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