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89963857 = 791318693
BaseRepresentation
bin1010101110010…
…11110101010001
320021021122012201
411113023311101
5141012320412
612532123201
72141452204
oct527136521
9207248181
1089963857
11468671a5
1226166501
131583b669
14bd3b93b
157d70e57
hex55cbd51

89963857 has 8 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 88136880.

The previous prime is 89963851. The next prime is 89963897. The reversal of 89963857 is 75836998.

It is a happy number.

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 89963857 - 27 = 89963729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89963798 and 89963807.

It is not an unprimeable number, because it can be changed into a prime (89963851) 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, 6003 + ... + 14695.

It is an arithmetic number, because the mean of its divisors is an integer number (11476080).

Almost surely, 289963857 is an apocalyptic number.

It is an amenable number.

89963857 is a deficient number, since it is larger than the sum of its proper divisors (1844783).

89963857 is a wasteful number, since it uses less digits than its factorization.

89963857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903.

The product of its digits is 3265920, while the sum is 55.

The square root of 89963857 is about 9484.9278858619. The cubic root of 89963857 is about 448.0804772118.

The spelling of 89963857 in words is "eighty-nine million, nine hundred sixty-three thousand, eight hundred fifty-seven".

Divisors: 1 79 131 8693 10349 686747 1138783 89963857