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54212284 = 2271936153
BaseRepresentation
bin1100111011001…
…1011010111100
310210000021021101
43032303122330
5102334243114
65213542444
71225540210
oct316633274
9123007241
1054212284
1128668545
12161a4a24
13b301799
1472b2940
154b5cd74
hex33b36bc

54212284 has 12 divisors (see below), whose sum is σ = 108424624. Its totient is φ = 23233824.

The previous prime is 54212251. The next prime is 54212287. The reversal of 54212284 is 48221245.

54212284 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1936153 = 54212284 / (5 + 4 + 2 + 1 + 2 + 2 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54212287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968049 + ... + 968104.

Almost surely, 254212284 is an apocalyptic number.

It is an amenable number.

54212284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54212284 is a wasteful number, since it uses less digits than its factorization.

54212284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936164 (or 1936162 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 54212284 is about 7362.8991572614. The cubic root of 54212284 is about 378.4709656424.

The spelling of 54212284 in words is "fifty-four million, two hundred twelve thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 1936153 3872306 7744612 13553071 27106142 54212284