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228141461 is a prime number
BaseRepresentation
bin11011001100100…
…10100110010101
3120220021210020202
431212102212111
5431401011321
634345510245
75440112312
oct1546224625
9526253222
10228141461
11107864069
12644a2385
133835b362
1422429d09
151506770b
hexd992995

228141461 has 2 divisors, whose sum is σ = 228141462. Its totient is φ = 228141460.

The previous prime is 228141449. The next prime is 228141497. The reversal of 228141461 is 164141822.

228141461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191296561 + 36844900 = 13831^2 + 6070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228141461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228141401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114070730 + 114070731.

It is an arithmetic number, because the mean of its divisors is an integer number (114070731).

Almost surely, 2228141461 is an apocalyptic number.

It is an amenable number.

228141461 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141461 is an equidigital number, since it uses as much as digits as its factorization.

228141461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 228141461 is about 15104.3523859846. The cubic root of 228141461 is about 611.0377935537.

The spelling of 228141461 in words is "two hundred twenty-eight million, one hundred forty-one thousand, four hundred sixty-one".