Search a number
-
+
90230268 = 2237519189
BaseRepresentation
bin1010110000011…
…00110111111100
320021210011122210
411120030313330
5141044332033
612541540420
72143642002
oct530146774
9207704583
1090230268
1146a29377
1226274710
13159029bb
14bdaaa72
157dc4d63
hex560cdfc

90230268 has 12 divisors (see below), whose sum is σ = 210537320. Its totient is φ = 30076752.

The previous prime is 90230251. The next prime is 90230291. The reversal of 90230268 is 86203209.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3759583 + ... + 3759606.

Almost surely, 290230268 is an apocalyptic number.

It is an amenable number.

90230268 is an abundant number, since it is smaller than the sum of its proper divisors (120307052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90230268 is a wasteful number, since it uses less digits than its factorization.

90230268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519196 (or 7519194 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 90230268 is about 9498.9614169129. The cubic root of 90230268 is about 448.5223432803.

The spelling of 90230268 in words is "ninety million, two hundred thirty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 7519189 15038378 22557567 30076756 45115134 90230268