Search a number
-
+
99804830 = 2553188311
BaseRepresentation
bin1011111001011…
…10011010011110
320221210121111012
411330232122132
5201022223310
613523055222
72321220116
oct574563236
9227717435
1099804830
1151378934
1229511512
13178a5a18
14d380046
158b66c05
hex5f2e69e

99804830 has 16 divisors (see below), whose sum is σ = 183039264. Its totient is φ = 39168480.

The previous prime is 99804827. The next prime is 99804893. The reversal of 99804830 is 3840899.

It is a super-2 number, since 2×998048302 = 19922008182657800, which contains 22 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 93626 + ... + 94685.

It is an arithmetic number, because the mean of its divisors is an integer number (11439954).

Almost surely, 299804830 is an apocalyptic number.

99804830 is a deficient number, since it is larger than the sum of its proper divisors (83234434).

99804830 is a wasteful number, since it uses less digits than its factorization.

99804830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188371.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 99804830 is about 9990.2367339318. The cubic root of 99804830 is about 463.8567204012.

The spelling of 99804830 in words is "ninety-nine million, eight hundred four thousand, eight hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 188311 376622 941555 1883110 9980483 19960966 49902415 99804830