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40774249 is a prime number
BaseRepresentation
bin1001101110001…
…0101001101001
32211201112202101
42123202221221
540414233444
64013533401
71003401235
oct233425151
984645671
1040774249
112101a32a
12117a4261
1385a8099
1455b55c5
1538a63d4
hex26e2a69

40774249 has 2 divisors, whose sum is σ = 40774250. Its totient is φ = 40774248.

The previous prime is 40774243. The next prime is 40774289. The reversal of 40774249 is 94247704.

40774249 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., 39000025 + 1774224 = 6245^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 40774249 - 211 = 40772201 is a prime.

It is not a weakly prime, because it can be changed into another prime (40774243) 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 as a sum of consecutive naturals, namely, 20387124 + 20387125.

It is an arithmetic number, because the mean of its divisors is an integer number (20387125).

Almost surely, 240774249 is an apocalyptic number.

It is an amenable number.

40774249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40774249 is an equidigital number, since it uses as much as digits as its factorization.

40774249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 40774249 is about 6385.4717131939. The cubic root of 40774249 is about 344.1876820850.

The spelling of 40774249 in words is "forty million, seven hundred seventy-four thousand, two hundred forty-nine".