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105349270 = 2513810379
BaseRepresentation
bin1100100011110…
…00000010010110
321100020022000211
412101320002112
5203432134040
614242000034
72416311505
oct621700226
9240208024
10105349270
1154515514
122b34601a
1318a97560
14ddc483c
1593ae8ea
hex6478096

105349270 has 16 divisors (see below), whose sum is σ = 204215760. Its totient is φ = 38898144.

The previous prime is 105349261. The next prime is 105349273. The reversal of 105349270 is 72943501.

It is a super-2 number, since 2×1053492702 = 22196937379065800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105349273) 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, 405060 + ... + 405319.

It is an arithmetic number, because the mean of its divisors is an integer number (12763485).

Almost surely, 2105349270 is an apocalyptic number.

105349270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105349270 is a deficient number, since it is larger than the sum of its proper divisors (98866490).

105349270 is a wasteful number, since it uses less digits than its factorization.

105349270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810399.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 105349270 is about 10263.9792478356. The cubic root of 105349270 is about 472.2919140100.

It can be divided in two parts, 1053492 and 70, that multiplied together give a triangular number (73744440 = T12144).

The spelling of 105349270 in words is "one hundred five million, three hundred forty-nine thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 810379 1620758 4051895 8103790 10534927 21069854 52674635 105349270