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98403985 = 532096133
BaseRepresentation
bin1011101110110…
…00011010010001
320212011102220001
411313120122101
5200142411420
613433050001
72303264041
oct567303221
9225142801
1098403985
1150601409
1228b56901
1317505214
14d0d7721
15898bb0a
hex5dd8691

98403985 has 8 divisors (see below), whose sum is σ = 118140840. Its totient is φ = 78685824.

The previous prime is 98403971. The next prime is 98404003. The reversal of 98403985 is 58930489.

It can be written as a sum of positive squares in 4 ways, for example, as 36687249 + 61716736 = 6057^2 + 7856^2 .

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 98403985 - 211 = 98401937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12979 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (14767605).

Almost surely, 298403985 is an apocalyptic number.

It is an amenable number.

98403985 is a deficient number, since it is larger than the sum of its proper divisors (19736855).

98403985 is a wasteful number, since it uses less digits than its factorization.

98403985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 98403985 is about 9919.8782754629. The cubic root of 98403985 is about 461.6762800995.

The spelling of 98403985 in words is "ninety-eight million, four hundred three thousand, nine hundred eighty-five".

Divisors: 1 5 3209 6133 16045 30665 19680797 98403985