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98861017 = 508119457
BaseRepresentation
bin1011110010001…
…11111111011001
320220000122211011
411321013333121
5200302023032
613450533521
72310206353
oct571077731
9226018734
1098861017
1150893822
12291372a1
1317635258
14d1b60d3
158a2c247
hex5e47fd9

98861017 has 4 divisors (see below), whose sum is σ = 98885556. Its totient is φ = 98836480.

The previous prime is 98860973. The next prime is 98861057. The reversal of 98861017 is 71016889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71016889 = 193737731.

It can be written as a sum of positive squares in 2 ways, for example, as 46022656 + 52838361 = 6784^2 + 7269^2 .

It is a cyclic number.

It is not a de Polignac number, because 98861017 - 219 = 98336729 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98861057) 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, 4648 + ... + 14809.

It is an arithmetic number, because the mean of its divisors is an integer number (24721389).

Almost surely, 298861017 is an apocalyptic number.

It is an amenable number.

98861017 is a deficient number, since it is larger than the sum of its proper divisors (24539).

98861017 is a wasteful number, since it uses less digits than its factorization.

98861017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 98861017 is about 9942.8877595998. The cubic root of 98861017 is about 462.3899199426.

The spelling of 98861017 in words is "ninety-eight million, eight hundred sixty-one thousand, seventeen".

Divisors: 1 5081 19457 98861017