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98849869 = 157629617
BaseRepresentation
bin1011110010001…
…01010001001101
320220000002112021
411321011101031
5200301143434
613450410141
72310132016
oct571052115
9226002467
1098849869
1150886408
1229130951
1317630161
14d1b200d
158a28cb4
hex5e4544d

98849869 has 4 divisors (see below), whose sum is σ = 99479644. Its totient is φ = 98220096.

The previous prime is 98849843. The next prime is 98849873. The reversal of 98849869 is 96894889.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47196900 + 51652969 = 6870^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 98849869 - 27 = 98849741 is a prime.

It is a super-2 number, since 2×988498692 = 19542593202634322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98849809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314652 + ... + 314965.

It is an arithmetic number, because the mean of its divisors is an integer number (24869911).

Almost surely, 298849869 is an apocalyptic number.

It is an amenable number.

98849869 is a deficient number, since it is larger than the sum of its proper divisors (629775).

98849869 is a wasteful number, since it uses less digits than its factorization.

98849869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629774.

The product of its digits is 8957952, while the sum is 61.

The square root of 98849869 is about 9942.3271420729. The cubic root of 98849869 is about 462.3725389203.

The spelling of 98849869 in words is "ninety-eight million, eight hundred forty-nine thousand, eight hundred sixty-nine".

Divisors: 1 157 629617 98849869