Search a number
-
+
90222967 = 211427597
BaseRepresentation
bin1010110000010…
…11000101110111
320021202210122101
411120023011313
5141044113332
612541442531
72143611502
oct530130567
9207683571
1090222967
1146a2393a
1226270447
13158cc593
14bda8139
157dc2ae7
hex560b177

90222967 has 4 divisors (see below), whose sum is σ = 90650776. Its totient is φ = 89795160.

The previous prime is 90222941. The next prime is 90222971. The reversal of 90222967 is 76922209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90222967 - 223 = 81834359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90222367) 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, 213588 + ... + 214009.

It is an arithmetic number, because the mean of its divisors is an integer number (22662694).

Almost surely, 290222967 is an apocalyptic number.

90222967 is a deficient number, since it is larger than the sum of its proper divisors (427809).

90222967 is a wasteful number, since it uses less digits than its factorization.

90222967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427808.

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

The square root of 90222967 is about 9498.5771039667. The cubic root of 90222967 is about 448.5102455292.

The spelling of 90222967 in words is "ninety million, two hundred twenty-two thousand, nine hundred sixty-seven".

Divisors: 1 211 427597 90222967