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90080227 = 436731267
BaseRepresentation
bin1010101111010…
…00001111100011
320021111112211201
411113220033203
5141030031402
612534422031
72142445366
oct527501743
9207445751
1090080227
1146936676
1226201917
131587c613
14bd6c0dd
157d95687
hex55e83e3

90080227 has 8 divisors (see below), whose sum is σ = 93553856. Its totient is φ = 86669352.

The previous prime is 90080189. The next prime is 90080251. The reversal of 90080227 is 72208009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90080227 - 27 = 90080099 is a prime.

It is a super-2 number, since 2×900802272 = 16228894592743058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90080195 and 90080204.

It is not an unprimeable number, because it can be changed into a prime (90080027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12753 + ... + 18514.

It is an arithmetic number, because the mean of its divisors is an integer number (11694232).

Almost surely, 290080227 is an apocalyptic number.

90080227 is a deficient number, since it is larger than the sum of its proper divisors (3473629).

90080227 is a wasteful number, since it uses less digits than its factorization.

90080227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31377.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 90080227 is about 9491.0603727929. The cubic root of 90080227 is about 448.2735942416.

The spelling of 90080227 in words is "ninety million, eighty thousand, two hundred twenty-seven".

Divisors: 1 43 67 2881 31267 1344481 2094889 90080227