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89750497 = 1717330517
BaseRepresentation
bin1010101100101…
…11101111100001
320020212210112111
411112113233201
5140434003442
612523355321
72136603154
oct526275741
9206783474
1089750497
1146730971
1226082b41
1315795505
14bcc3c9b
157d2cb17
hex5597be1

89750497 has 8 divisors (see below), whose sum is σ = 95582376. Its totient is φ = 83980032.

The previous prime is 89750467. The next prime is 89750513. The reversal of 89750497 is 79405798.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14130081 + 75620416 = 3759^2 + 8696^2 .

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 89750497 - 27 = 89750369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89750497.

It is not an unprimeable number, because it can be changed into a prime (89750407) 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, 12318 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (11947797).

Almost surely, 289750497 is an apocalyptic number.

It is an amenable number.

89750497 is a deficient number, since it is larger than the sum of its proper divisors (5831879).

89750497 is a wasteful number, since it uses less digits than its factorization.

89750497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30707.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 89750497 is about 9473.6738913686. The cubic root of 89750497 is about 447.7259714096.

The spelling of 89750497 in words is "eighty-nine million, seven hundred fifty thousand, four hundred ninety-seven".

Divisors: 1 17 173 2941 30517 518789 5279441 89750497