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90376469 is a prime number
BaseRepresentation
bin1010110001100…
…00100100010101
320022001121012122
411120300210111
5141114021334
612545025325
72145121151
oct530604425
9208047178
1090376469
11470191a7
1226325245
1315954401
14c008061
157e0332e
hex5630915

90376469 has 2 divisors, whose sum is σ = 90376470. Its totient is φ = 90376468.

The previous prime is 90376427. The next prime is 90376477. The reversal of 90376469 is 96467309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89548369 + 828100 = 9463^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 90376469 - 28 = 90376213 is a prime.

It is a super-2 number, since 2×903764692 = 16335812297815922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90376969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45188234 + 45188235.

It is an arithmetic number, because the mean of its divisors is an integer number (45188235).

Almost surely, 290376469 is an apocalyptic number.

It is an amenable number.

90376469 is a deficient number, since it is larger than the sum of its proper divisors (1).

90376469 is an equidigital number, since it uses as much as digits as its factorization.

90376469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 90376469 is about 9506.6539329040. The cubic root of 90376469 is about 448.7644609622.

The spelling of 90376469 in words is "ninety million, three hundred seventy-six thousand, four hundred sixty-nine".