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228542470 = 25131758019
BaseRepresentation
bin11011001111101…
…00100000000110
3120221001011022221
431213310200012
5432001324340
634402242554
75443402402
oct1547644006
9527034287
10228542470
11108008382
126465645a
133846ba40
14224d2102
15150e644a
hexd9f4806

228542470 has 16 divisors (see below), whose sum is σ = 443021040. Its totient is φ = 84384864.

The previous prime is 228542453. The next prime is 228542471. The reversal of 228542470 is 74245822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228542471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878880 + ... + 879139.

It is an arithmetic number, because the mean of its divisors is an integer number (27688815).

Almost surely, 2228542470 is an apocalyptic number.

228542470 is a deficient number, since it is larger than the sum of its proper divisors (214478570).

228542470 is a wasteful number, since it uses less digits than its factorization.

228542470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758039.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 228542470 is about 15117.6211753040. The cubic root of 228542470 is about 611.3955952845.

The spelling of 228542470 in words is "two hundred twenty-eight million, five hundred forty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 1758019 3516038 8790095 17580190 22854247 45708494 114271235 228542470