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227620541 is a prime number
BaseRepresentation
bin11011001000100…
…11011010111101
3120212022022200102
431210103122331
5431232324131
634330410445
75432512511
oct1544233275
9525268612
10227620541
11107538755
1264290a25
1338208215
1422332141
1514eb31cb
hexd9136bd

227620541 has 2 divisors, whose sum is σ = 227620542. Its totient is φ = 227620540.

The previous prime is 227620511. The next prime is 227620553. The reversal of 227620541 is 145026722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 104632441 = 11090^2 + 10229^2 .

It is a cyclic number.

It is not a de Polignac number, because 227620541 - 210 = 227619517 is a prime.

It is a super-2 number, since 2×2276205412 = 103622221370265362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227620511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113810270 + 113810271.

It is an arithmetic number, because the mean of its divisors is an integer number (113810271).

Almost surely, 2227620541 is an apocalyptic number.

It is an amenable number.

227620541 is a deficient number, since it is larger than the sum of its proper divisors (1).

227620541 is an equidigital number, since it uses as much as digits as its factorization.

227620541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 227620541 is about 15087.0984950719. The cubic root of 227620541 is about 610.5723741666.

The spelling of 227620541 in words is "two hundred twenty-seven million, six hundred twenty thousand, five hundred forty-one".