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105028845 = 357001923
BaseRepresentation
bin1100100001010…
…01110011101101
321022122000111020
412100221303231
5203341410340
614231044353
72413505355
oct620516355
9238560436
10105028845
11543167a9
122b2106b9
13189b475c
14dd3db65
1593499d0
hex6429ced

105028845 has 8 divisors (see below), whose sum is σ = 168046176. Its totient is φ = 56015376.

The previous prime is 105028843. The next prime is 105028849. The reversal of 105028845 is 548820501.

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

It is not a de Polignac number, because 105028845 - 21 = 105028843 is a prime.

It is a super-2 number, since 2×1050288452 = 22062116564068050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105028843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500947 + ... + 3500976.

It is an arithmetic number, because the mean of its divisors is an integer number (21005772).

Almost surely, 2105028845 is an apocalyptic number.

105028845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105028845 is a deficient number, since it is larger than the sum of its proper divisors (63017331).

105028845 is an equidigital number, since it uses as much as digits as its factorization.

105028845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001931.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 105028845 is about 10248.3581611886. The cubic root of 105028845 is about 471.8125946741.

The spelling of 105028845 in words is "one hundred five million, twenty-eight thousand, eight hundred forty-five".

Divisors: 1 3 5 15 7001923 21005769 35009615 105028845