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90227269 = 118202479
BaseRepresentation
bin1010110000011…
…00001001000101
320021210000112201
411120030021011
5141044233034
612541514501
72143630156
oct530141105
9207700481
1090227269
1146a270a0
1226272a31
1315901522
14bda992d
157dc4014
hex560c245

90227269 has 4 divisors (see below), whose sum is σ = 98429760. Its totient is φ = 82024780.

The previous prime is 90227251. The next prime is 90227273. The reversal of 90227269 is 96272209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90227269 - 25 = 90227237 is a prime.

It is a super-2 number, since 2×902272692 = 16281920142396722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90227209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4101229 + ... + 4101250.

It is an arithmetic number, because the mean of its divisors is an integer number (24607440).

Almost surely, 290227269 is an apocalyptic number.

It is an amenable number.

90227269 is a deficient number, since it is larger than the sum of its proper divisors (8202491).

90227269 is a wasteful number, since it uses less digits than its factorization.

90227269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202490.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 90227269 is about 9498.8035562380. The cubic root of 90227269 is about 448.5173740187.

The spelling of 90227269 in words is "ninety million, two hundred twenty-seven thousand, two hundred sixty-nine".

Divisors: 1 11 8202479 90227269