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90362971 is a prime number
BaseRepresentation
bin1010110001011…
…01010001011011
320022000220200201
411120231101123
5141113103341
612544443031
72145033616
oct530552133
9208026621
1090362971
114700a046
1226319477
131594b21a
14c00317d
157dee331
hex562d45b

90362971 has 2 divisors, whose sum is σ = 90362972. Its totient is φ = 90362970.

The previous prime is 90362957. The next prime is 90363017. The reversal of 90362971 is 17926309.

It is a weak prime.

It is an emirp because it is prime and its reverse (17926309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90362971 - 223 = 81974363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90362971.

It is not a weakly prime, because it can be changed into another prime (90362911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45181485 + 45181486.

It is an arithmetic number, because the mean of its divisors is an integer number (45181486).

Almost surely, 290362971 is an apocalyptic number.

90362971 is a deficient number, since it is larger than the sum of its proper divisors (1).

90362971 is an equidigital number, since it uses as much as digits as its factorization.

90362971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 90362971 is about 9505.9439825827. The cubic root of 90362971 is about 448.7421184050.

The spelling of 90362971 in words is "ninety million, three hundred sixty-two thousand, nine hundred seventy-one".