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105189310 = 2510518931
BaseRepresentation
bin1100100010100…
…00111110111110
321022221011121101
412101100332332
5203412024220
614234323314
72415044242
oct621207676
9238834541
10105189310
1154416316
122b28953a
1318a3c7c5
14dd82422
15937c30a
hex6450fbe

105189310 has 8 divisors (see below), whose sum is σ = 189340776. Its totient is φ = 42075720.

The previous prime is 105189307. The next prime is 105189317. The reversal of 105189310 is 13981501.

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

It is a super-2 number, since 2×1051893102 = 22129581876552200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105189317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5259456 + ... + 5259475.

It is an arithmetic number, because the mean of its divisors is an integer number (23667597).

Almost surely, 2105189310 is an apocalyptic number.

105189310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105189310 is a deficient number, since it is larger than the sum of its proper divisors (84151466).

105189310 is a wasteful number, since it uses less digits than its factorization.

105189310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10518938.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 105189310 is about 10256.1839882093. The cubic root of 105189310 is about 472.0527537274.

The spelling of 105189310 in words is "one hundred five million, one hundred eighty-nine thousand, three hundred ten".

Divisors: 1 2 5 10 10518931 21037862 52594655 105189310