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90224617 = 712889231
BaseRepresentation
bin1010110000010…
…11011111101001
320021202212220111
411120023133221
5141044141432
612541454321
72143616350
oct530133751
9207685814
1090224617
1146a250aa
12262713a1
1315900262
14bda8997
157dc3347
hex560b7e9

90224617 has 4 divisors (see below), whose sum is σ = 103113856. Its totient is φ = 77335380.

The previous prime is 90224587. The next prime is 90224633. The reversal of 90224617 is 71642209.

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 90224617 - 27 = 90224489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90224677) 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, 6444609 + ... + 6444622.

It is an arithmetic number, because the mean of its divisors is an integer number (25778464).

Almost surely, 290224617 is an apocalyptic number.

It is an amenable number.

90224617 is a deficient number, since it is larger than the sum of its proper divisors (12889239).

90224617 is a wasteful number, since it uses less digits than its factorization.

90224617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889238.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 90224617 is about 9498.6639586839. The cubic root of 90224617 is about 448.5129796349.

The spelling of 90224617 in words is "ninety million, two hundred twenty-four thousand, six hundred seventeen".

Divisors: 1 7 12889231 90224617