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105345320 = 23513918947
BaseRepresentation
bin1100100011101…
…11000100101000
321100020002121112
412101313010220
5203432022240
614241525452
72416264133
oct621670450
9240202545
10105345320
1154512553
122b343888
1318a95812
14ddc321a
1593ad665
hex6477128

105345320 has 32 divisors (see below), whose sum is σ = 238744800. Its totient is φ = 41832768.

The previous prime is 105345293. The next prime is 105345349. The reversal of 105345320 is 23543501.

It is a super-2 number, since 2×1053453202 = 22195272891804800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (7460775).

Almost surely, 2105345320 is an apocalyptic number.

105345320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105345320 is an abundant number, since it is smaller than the sum of its proper divisors (133399480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105345320 is a wasteful number, since it uses less digits than its factorization.

105345320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097 (or 19093 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 105345320 is about 10263.7868255337. The cubic root of 105345320 is about 472.2860111804.

Adding to 105345320 its reverse (23543501), we get a palindrome (128888821).

The spelling of 105345320 in words is "one hundred five million, three hundred forty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 139 278 556 695 1112 1390 2780 5560 18947 37894 75788 94735 151576 189470 378940 757880 2633633 5267266 10534532 13168165 21069064 26336330 52672660 105345320