Search a number
-
+
90230275 = 523609211
BaseRepresentation
bin1010110000011…
…00111000000011
320021210011200001
411120030320003
5141044332100
612541540431
72143642012
oct530147003
9207704601
1090230275
1146a29383
1226274717
13159029c5
14bdaaa79
157dc4d6a
hex560ce03

90230275 has 6 divisors (see below), whose sum is σ = 111885572. Its totient is φ = 72184200.

The previous prime is 90230251. The next prime is 90230291. The reversal of 90230275 is 57203209.

It is not a de Polignac number, because 90230275 - 211 = 90228227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1804581 + ... + 1804630.

Almost surely, 290230275 is an apocalyptic number.

90230275 is a deficient number, since it is larger than the sum of its proper divisors (21655297).

90230275 is a wasteful number, since it uses less digits than its factorization.

90230275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609221 (or 3609216 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 90230275 is about 9498.9617853742. The cubic root of 90230275 is about 448.5223548789.

The spelling of 90230275 in words is "ninety million, two hundred thirty thousand, two hundred seventy-five".

Divisors: 1 5 25 3609211 18046055 90230275