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47428811 is a prime number
BaseRepresentation
bin1011010011101…
…1010011001011
310022020122002122
42310323103023
544120210221
64412321455
71114065263
oct264732313
9108218078
1047428811
1124854a71
1213a7328b
139a97cb1
1464287a3
15426ceab
hex2d3b4cb

47428811 has 2 divisors, whose sum is σ = 47428812. Its totient is φ = 47428810.

The previous prime is 47428763. The next prime is 47428859. The reversal of 47428811 is 11882474.

It is a balanced prime because it is at equal distance from previous prime (47428763) and next prime (47428859).

It is a cyclic number.

It is not a de Polignac number, because 47428811 - 26 = 47428747 is a prime.

It is a super-2 number, since 2×474288112 = 4498984225747442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47428211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23714405 + 23714406.

It is an arithmetic number, because the mean of its divisors is an integer number (23714406).

Almost surely, 247428811 is an apocalyptic number.

47428811 is a deficient number, since it is larger than the sum of its proper divisors (1).

47428811 is an equidigital number, since it uses as much as digits as its factorization.

47428811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 35.

The square root of 47428811 is about 6886.8578466526. The cubic root of 47428811 is about 361.9768078301.

The spelling of 47428811 in words is "forty-seven million, four hundred twenty-eight thousand, eight hundred eleven".