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99500212 = 2273553579
BaseRepresentation
bin1011110111001…
…00000010110100
320221020010122001
411323210002310
5200433001322
613512345044
72315511040
oct573440264
9227203561
1099500212
115118aa89
12293a5184
13177ca186
14d301020
158b06827
hex5ee40b4

99500212 has 12 divisors (see below), whose sum is σ = 199000480. Its totient is φ = 42642936.

The previous prime is 99500209. The next prime is 99500213. The reversal of 99500212 is 21200599.

99500212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3553579 = 99500212 / (9 + 9 + 5 + 0 + 0 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99500213) 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, 1776762 + ... + 1776817.

Almost surely, 299500212 is an apocalyptic number.

It is an amenable number.

99500212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99500212 is a wasteful number, since it uses less digits than its factorization.

99500212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553590 (or 3553588 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 99500212 is about 9974.9792982241. The cubic root of 99500212 is about 463.3843214020.

The spelling of 99500212 in words is "ninety-nine million, five hundred thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 3553579 7107158 14214316 24875053 49750106 99500212