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100493895 = 3516214133
BaseRepresentation
bin1011111110101…
…10101001000111
321000002121201010
411333112221013
5201211301040
613545533303
72330120055
oct577265107
9230077633
10100493895
11517a9607
12297a4233
1317a87558
14d4bd1d5
158c50e80
hex5fd6a47

100493895 has 16 divisors (see below), whose sum is σ = 160928352. Its totient is φ = 53550720.

The previous prime is 100493893. The next prime is 100493929. The reversal of 100493895 is 598394001.

It is not a de Polignac number, because 100493895 - 21 = 100493893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100493891) 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 15 ways as a sum of consecutive naturals, for example, 22249 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (10058022).

Almost surely, 2100493895 is an apocalyptic number.

100493895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100493895 is a deficient number, since it is larger than the sum of its proper divisors (60434457).

100493895 is a wasteful number, since it uses less digits than its factorization.

100493895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 100493895 is about 10024.6643335326. The cubic root of 100493895 is about 464.9217812705.

The spelling of 100493895 in words is "one hundred million, four hundred ninety-three thousand, eight hundred ninety-five".

Divisors: 1 3 5 15 1621 4133 4863 8105 12399 20665 24315 61995 6699593 20098779 33497965 100493895