Search a number
-
+
99994055 = 5721921481
BaseRepresentation
bin1011111010111…
…00100111000111
320222011020001112
411331130213013
5201044302210
613531115235
72322635600
oct575344707
9228136045
1099994055
1151498017
12295a2b1b
1317940ba5
14d3ccda7
158ba2d05
hex5f5c9c7

99994055 has 24 divisors (see below), whose sum is σ = 146936880. Its totient is φ = 64955520.

The previous prime is 99994043. The next prime is 99994061. The reversal of 99994055 is 55049999.

It is not a de Polignac number, because 99994055 - 26 = 99993991 is a prime.

It is a super-2 number, since 2×999940552 = 19997622070686050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99993994 and 99994012.

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 23 ways as a sum of consecutive naturals, for example, 6086 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (6122370).

Almost surely, 299994055 is an apocalyptic number.

99994055 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99994055 is a deficient number, since it is larger than the sum of its proper divisors (46942825).

99994055 is a wasteful number, since it uses less digits than its factorization.

99994055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21519 (or 21512 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 99994055 is about 9999.7027455820. The cubic root of 99994055 is about 464.1496850971.

The spelling of 99994055 in words is "ninety-nine million, nine hundred ninety-four thousand, fifty-five".

Divisors: 1 5 7 19 35 49 95 133 245 665 931 4655 21481 107405 150367 408139 751835 1052569 2040695 2856973 5262845 14284865 19998811 99994055