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100228887 = 3311418231
BaseRepresentation
bin1011111100101…
…01111100010111
320222121011012000
411332111330113
5201124311022
613540130343
72324634333
oct576257427
9228534160
10100228887
11516384a0
12296969b3
13179c3a45
14d4507c3
158bec6ac
hex5f95f17

100228887 has 32 divisors (see below), whose sum is σ = 165957120. Its totient is φ = 59256000.

The previous prime is 100228867. The next prime is 100228903. The reversal of 100228887 is 788822001.

It is not a de Polignac number, because 100228887 - 26 = 100228823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100228847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8062 + ... + 16292.

It is an arithmetic number, because the mean of its divisors is an integer number (5186160).

Almost surely, 2100228887 is an apocalyptic number.

100228887 is a deficient number, since it is larger than the sum of its proper divisors (65728233).

100228887 is a wasteful number, since it uses less digits than its factorization.

100228887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292 (or 8286 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 100228887 is about 10011.4378088265. The cubic root of 100228887 is about 464.5127466306.

The spelling of 100228887 in words is "one hundred million, two hundred twenty-eight thousand, eight hundred eighty-seven".

Divisors: 1 3 9 11 27 33 41 99 123 297 369 451 1107 1353 4059 8231 12177 24693 74079 90541 222237 271623 337471 814869 1012413 2444607 3037239 3712181 9111717 11136543 33409629 100228887