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105915340 = 22589157379
BaseRepresentation
bin1100101000000…
…10001111001100
321101022001112101
412110002033030
5204103242330
614302044444
72424160036
oct624021714
9241261471
10105915340
1154871843
122b579724
1318c350cb
14100d0c56
1594724ca
hex65023cc

105915340 has 48 divisors (see below), whose sum is σ = 226951200. Its totient is φ = 41513472.

The previous prime is 105915331. The next prime is 105915347. The reversal of 105915340 is 43519501.

It is a super-2 number, since 2×1059153402 = 22436118494631200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105915299 and 105915308.

It is not an unprimeable number, because it can be changed into a prime (105915347) 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 15 ways as a sum of consecutive naturals, for example, 279271 + ... + 279649.

It is an arithmetic number, because the mean of its divisors is an integer number (4728150).

Almost surely, 2105915340 is an apocalyptic number.

105915340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105915340 is an abundant number, since it is smaller than the sum of its proper divisors (121035860).

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

105915340 is a wasteful number, since it uses less digits than its factorization.

105915340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105915340 is about 10291.5178666706. The cubic root of 105915340 is about 473.1363206197.

It can be divided in two parts, 10591 and 5340, that added together give a triangular number (15931 = T178).

The spelling of 105915340 in words is "one hundred five million, nine hundred fifteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 89 157 178 314 356 379 445 628 758 785 890 1516 1570 1780 1895 3140 3790 7580 13973 27946 33731 55892 59503 67462 69865 119006 134924 139730 168655 238012 279460 297515 337310 595030 674620 1190060 5295767 10591534 21183068 26478835 52957670 105915340