Base | Representation |
---|---|
bin | 1100111011010… |
… | …1010111010101 |
3 | 10210000200012020 |
4 | 3032311113111 |
5 | 102340021440 |
6 | 5214043353 |
7 | 1225602342 |
oct | 316652725 |
9 | 123020166 |
10 | 54220245 |
11 | 28673522 |
12 | 161a9559 |
13 | b3052b1 |
14 | 72b57c9 |
15 | 4b603d0 |
hex | 33b55d5 |
54220245 has 32 divisors (see below), whose sum is σ = 89679744. Its totient is φ = 27955200.
The previous prime is 54220189. The next prime is 54220249. The reversal of 54220245 is 54202245.
It is a happy number.
It is not a de Polignac number, because 54220245 - 26 = 54220181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54220249) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80229 + ... + 80901.
It is an arithmetic number, because the mean of its divisors is an integer number (2802492).
Almost surely, 254220245 is an apocalyptic number.
It is an amenable number.
54220245 is a deficient number, since it is larger than the sum of its proper divisors (35459499).
54220245 is a wasteful number, since it uses less digits than its factorization.
54220245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 853.
The product of its (nonzero) digits is 3200, while the sum is 24.
The square root of 54220245 is about 7363.4397532675. The cubic root of 54220245 is about 378.4894907174.
The spelling of 54220245 in words is "fifty-four million, two hundred twenty thousand, two hundred forty-five".
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