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40234477 is a prime number
BaseRepresentation
bin1001100101111…
…0110111101101
32210201010022211
42121132313231
540300000402
63554210421
7665662453
oct231366755
983633284
1040234477
1120790838
1211583a11
1384494aa
1454b49d3
1537eb4d7
hex265eded

40234477 has 2 divisors, whose sum is σ = 40234478. Its totient is φ = 40234476.

The previous prime is 40234471. The next prime is 40234483. The reversal of 40234477 is 77443204.

It is a balanced prime because it is at equal distance from previous prime (40234471) and next prime (40234483).

It can be written as a sum of positive squares in only one way, i.e., 40119556 + 114921 = 6334^2 + 339^2 .

It is a cyclic number.

It is not a de Polignac number, because 40234477 - 211 = 40232429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40234471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117238 + 20117239.

It is an arithmetic number, because the mean of its divisors is an integer number (20117239).

Almost surely, 240234477 is an apocalyptic number.

It is an amenable number.

40234477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40234477 is an equidigital number, since it uses as much as digits as its factorization.

40234477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 40234477 is about 6343.0652684645. The cubic root of 40234477 is about 342.6621378773.

The spelling of 40234477 in words is "forty million, two hundred thirty-four thousand, four hundred seventy-seven".