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228147484 = 2273781327
BaseRepresentation
bin11011001100101…
…00000100011100
3120220022002111211
431212110010130
5431401204414
634345554204
75440136005
oct1546240434
9526262454
10228147484
11107868644
12644a5964
1338361016
142242c1ac
15150693c4
hexd99411c

228147484 has 12 divisors (see below), whose sum is σ = 404727904. Its totient is φ = 112510944.

The previous prime is 228147481. The next prime is 228147487. The reversal of 228147484 is 484741822.

It is an interprime number because it is at equal distance from previous prime (228147481) and next prime (228147487).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228147481) 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, 390372 + ... + 390955.

Almost surely, 2228147484 is an apocalyptic number.

It is an amenable number.

228147484 is a deficient number, since it is larger than the sum of its proper divisors (176580420).

228147484 is a wasteful number, since it uses less digits than its factorization.

228147484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781404 (or 781402 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The square root of 228147484 is about 15104.5517642862. The cubic root of 228147484 is about 611.0431706974.

The spelling of 228147484 in words is "two hundred twenty-eight million, one hundred forty-seven thousand, four hundred eighty-four".

Divisors: 1 2 4 73 146 292 781327 1562654 3125308 57036871 114073742 228147484