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105316940 = 2255265847
BaseRepresentation
bin1100100011100…
…00001001001100
321100011122200102
412101300021030
5203430120230
614241150232
72416115321
oct621601114
9240148612
10105316940
11544a31a3
122b32b378
1318a85921
14ddb6b48
1593a5045
hex647024c

105316940 has 12 divisors (see below), whose sum is σ = 221165616. Its totient is φ = 42126768.

The previous prime is 105316919. The next prime is 105316949. The reversal of 105316940 is 49613501.

It is a super-2 number, since 2×1053169402 = 22183315701927200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105316949) 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, 2632904 + ... + 2632943.

It is an arithmetic number, because the mean of its divisors is an integer number (18430468).

Almost surely, 2105316940 is an apocalyptic number.

105316940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105316940 is an abundant number, since it is smaller than the sum of its proper divisors (115848676).

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

105316940 is a wasteful number, since it uses less digits than its factorization.

105316940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265856 (or 5265854 counting only the distinct ones).

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

The square root of 105316940 is about 10262.4042017453. The cubic root of 105316940 is about 472.2435961311.

It can be divided in two parts, 10531 and 6940, that added together give a palindrome (17471).

The spelling of 105316940 in words is "one hundred five million, three hundred sixteen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 5265847 10531694 21063388 26329235 52658470 105316940