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105090670 = 2518615647
BaseRepresentation
bin1100100001110…
…00111001101110
321022202011022001
412100320321232
5203400400140
614232242514
72414153536
oct620707156
9238664261
10105090670
11543591a3
122b24043a
1318a06939
14dd584c6
15935ce9a
hex6438e6e

105090670 has 16 divisors (see below), whose sum is σ = 189298368. Its totient is φ = 42006240.

The previous prime is 105090649. The next prime is 105090677. The reversal of 105090670 is 76090501.

It is a happy number.

It is a super-2 number, since 2×1050906702 = 22088097842097800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105090677) 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, 15787 + ... + 21433.

It is an arithmetic number, because the mean of its divisors is an integer number (11831148).

Almost surely, 2105090670 is an apocalyptic number.

105090670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105090670 is a deficient number, since it is larger than the sum of its proper divisors (84207698).

105090670 is a wasteful number, since it uses less digits than its factorization.

105090670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 105090670 is about 10251.3740542427. The cubic root of 105090670 is about 471.9051536657.

The spelling of 105090670 in words is "one hundred five million, ninety thousand, six hundred seventy".

Divisors: 1 2 5 10 1861 3722 5647 9305 11294 18610 28235 56470 10509067 21018134 52545335 105090670