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98865013 = 1317447353
BaseRepresentation
bin1011110010010…
…00111101110101
320220000212022011
411321020331311
5200302140023
613451004221
72310224122
oct571107565
9226025264
1098865013
1150896825
1229139671
1317637010
14d1b7749
158a2d50d
hex5e48f75

98865013 has 8 divisors (see below), whose sum is σ = 112733208. Its totient is φ = 85891584.

The previous prime is 98865007. The next prime is 98865049. The reversal of 98865013 is 31056889.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 98863249 = 42^2 + 9943^2 .

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 98865013 - 217 = 98733941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98865313) 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, 223456 + ... + 223897.

It is an arithmetic number, because the mean of its divisors is an integer number (14091651).

Almost surely, 298865013 is an apocalyptic number.

It is an amenable number.

98865013 is a deficient number, since it is larger than the sum of its proper divisors (13868195).

98865013 is a wasteful number, since it uses less digits than its factorization.

98865013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447383.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 98865013 is about 9943.0887052264. The cubic root of 98865013 is about 462.3961498509.

The spelling of 98865013 in words is "ninety-eight million, eight hundred sixty-five thousand, thirteen".

Divisors: 1 13 17 221 447353 5815589 7605001 98865013