Search a number
-
+
54450228 = 2237648217
BaseRepresentation
bin1100111110110…
…1100000110100
310210110100200010
43033231200310
5102414401403
65223020220
71230551010
oct317554064
9123410603
1054450228
1128810298
121629a670
13b385b91
147335540
154ba8603
hex33ed834

54450228 has 24 divisors (see below), whose sum is σ = 145200832. Its totient is φ = 15557184.

The previous prime is 54450161. The next prime is 54450233. The reversal of 54450228 is 82205445.

It is a junction number, because it is equal to n+sod(n) for n = 54450195 and 54450204.

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, 324025 + ... + 324192.

Almost surely, 254450228 is an apocalyptic number.

It is an amenable number.

54450228 is an abundant number, since it is smaller than the sum of its proper divisors (90750604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54450228 is a wasteful number, since it uses less digits than its factorization.

54450228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648231 (or 648229 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 54450228 is about 7379.0397749301. The cubic root of 54450228 is about 379.0238751514.

The spelling of 54450228 in words is "fifty-four million, four hundred fifty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 648217 1296434 1944651 2592868 3889302 4537519 7778604 9075038 13612557 18150076 27225114 54450228