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105149306 = 2192767087
BaseRepresentation
bin1100100010001…
…11001101111010
321022212010201202
412101013031322
5203404234211
614233414202
72414516513
oct621071572
9238763652
10105149306
1154399259
122b26a362
1318a27532
14dd71a0a
15937053b
hex644737a

105149306 has 8 divisors (see below), whose sum is σ = 166025280. Its totient is φ = 49807548.

The previous prime is 105149279. The next prime is 105149309. The reversal of 105149306 is 603941501.

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

It is a super-2 number, since 2×1051493062 = 22112753104563272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105149309) 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, 1383506 + ... + 1383581.

It is an arithmetic number, because the mean of its divisors is an integer number (20753160).

Almost surely, 2105149306 is an apocalyptic number.

105149306 is a deficient number, since it is larger than the sum of its proper divisors (60875974).

105149306 is a wasteful number, since it uses less digits than its factorization.

105149306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767108.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 105149306 is about 10254.2335647283. The cubic root of 105149306 is about 471.9929048297.

The spelling of 105149306 in words is "one hundred five million, one hundred forty-nine thousand, three hundred six".

Divisors: 1 2 19 38 2767087 5534174 52574653 105149306