Search a number
-
+
105028870 = 2518158027
BaseRepresentation
bin1100100001010…
…01110100000110
321022122000112011
412100221310012
5203341410440
614231044434
72413505422
oct620516406
9238560464
10105028870
1154316821
122b21071a
13189b477b
14dd3db82
1593499ea
hex6429d06

105028870 has 16 divisors (see below), whose sum is σ = 190099728. Its totient is φ = 41778720.

The previous prime is 105028849. The next prime is 105028871. The reversal of 105028870 is 78820501.

It is a super-2 number, since 2×1050288702 = 22062127066953800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105028871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27204 + ... + 30823.

It is an arithmetic number, because the mean of its divisors is an integer number (11881233).

Almost surely, 2105028870 is an apocalyptic number.

105028870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105028870 is a deficient number, since it is larger than the sum of its proper divisors (85070858).

105028870 is a wasteful number, since it uses less digits than its factorization.

105028870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58215.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 105028870 is about 10248.3593808960. The cubic root of 105028870 is about 471.8126321092.

The spelling of 105028870 in words is "one hundred five million, twenty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 181 362 905 1810 58027 116054 290135 580270 10502887 21005774 52514435 105028870