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100027887 = 3229145601
BaseRepresentation
bin1011111011001…
…00110111101111
320222012221110120
411331210313233
5201101343022
613531540023
72323136331
oct575446757
9228187416
10100027887
1151510483
12295ba613
13179533cb
14d3db451
158bacd5c
hex5f64def

100027887 has 8 divisors (see below), whose sum is σ = 133953840. Its totient is φ = 66393600.

The previous prime is 100027841. The next prime is 100027927. The reversal of 100027887 is 788720001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100027887 - 211 = 100025839 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72114 + ... + 73487.

It is an arithmetic number, because the mean of its divisors is an integer number (16744230).

Almost surely, 2100027887 is an apocalyptic number.

100027887 is a deficient number, since it is larger than the sum of its proper divisors (33925953).

100027887 is a wasteful number, since it uses less digits than its factorization.

100027887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145833.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 100027887 is about 10001.3942528030. The cubic root of 100027887 is about 464.2020260137.

Adding to 100027887 its reverse (788720001), we get a palindrome (888747888).

The spelling of 100027887 in words is "one hundred million, twenty-seven thousand, eight hundred eighty-seven".

Divisors: 1 3 229 687 145601 436803 33342629 100027887