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98423005 = 519684601
BaseRepresentation
bin1011101110111…
…01000011011101
320212012101222111
411313131003131
5200144014010
613433314021
72303403352
oct567350335
9225171874
1098423005
115061472a
1228b65911
1317510a85
14d100629
15899258a
hex5ddd0dd

98423005 has 4 divisors (see below), whose sum is σ = 118107612. Its totient is φ = 78738400.

The previous prime is 98422999. The next prime is 98423011. The reversal of 98423005 is 50032489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50032489 = 133848653.

It is an interprime number because it is at equal distance from previous prime (98422999) and next prime (98423011).

It can be written as a sum of positive squares in 2 ways, for example, as 76492516 + 21930489 = 8746^2 + 4683^2 .

It is not a de Polignac number, because 98423005 - 211 = 98420957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9842296 + ... + 9842305.

It is an arithmetic number, because the mean of its divisors is an integer number (29526903).

Almost surely, 298423005 is an apocalyptic number.

It is an amenable number.

98423005 is a deficient number, since it is larger than the sum of its proper divisors (19684607).

98423005 is a wasteful number, since it uses less digits than its factorization.

98423005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19684606.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 98423005 is about 9920.8369102611. The cubic root of 98423005 is about 461.7060231942.

The spelling of 98423005 in words is "ninety-eight million, four hundred twenty-three thousand, five".

Divisors: 1 5 19684601 98423005