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99982305 = 3252221829
BaseRepresentation
bin1011111010110…
…01101111100001
320222010121221100
411331121233201
5201043413210
613530545013
72322556413
oct575315741
9228117840
1099982305
115148a205
1229598169
1317938737
14d3c89b3
158b9e5c0
hex5f59be1

99982305 has 12 divisors (see below), whose sum is σ = 173302740. Its totient is φ = 53323872.

The previous prime is 99982303. The next prime is 99982307. The reversal of 99982305 is 50328999.

It is an interprime number because it is at equal distance from previous prime (99982303) and next prime (99982307).

It can be written as a sum of positive squares in 2 ways, for example, as 35533521 + 64448784 = 5961^2 + 8028^2 .

It is not a de Polignac number, because 99982305 - 21 = 99982303 is a prime.

It is a super-2 number, since 2×999823052 = 19992922626226050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2221829 = 99982305 / (9 + 9 + 9 + 8 + 2 + 3 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (99982303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1110870 + ... + 1110959.

It is an arithmetic number, because the mean of its divisors is an integer number (14441895).

Almost surely, 299982305 is an apocalyptic number.

It is an amenable number.

99982305 is a deficient number, since it is larger than the sum of its proper divisors (73320435).

99982305 is a wasteful number, since it uses less digits than its factorization.

99982305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221840 (or 2221837 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 99982305 is about 9999.1152108574. The cubic root of 99982305 is about 464.1315041082.

The spelling of 99982305 in words is "ninety-nine million, nine hundred eighty-two thousand, three hundred five".

Divisors: 1 3 5 9 15 45 2221829 6665487 11109145 19996461 33327435 99982305