Search a number
-
+
115342100 = 22521153421
BaseRepresentation
bin1101101111111…
…11101100010100
322001000222121122
412313333230110
5214011421400
615240103112
72600251226
oct667775424
9261028548
10115342100
115a120255
1232764a98
131ab85a83
1411466416
15a1d5685
hex6dffb14

115342100 has 18 divisors (see below), whose sum is σ = 250292574. Its totient is φ = 46136800.

The previous prime is 115342099. The next prime is 115342111. The reversal of 115342100 is 1243511.

It can be written as a sum of positive squares in 3 ways, for example, as 4545424 + 110796676 = 2132^2 + 10526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576611 + ... + 576810.

It is an arithmetic number, because the mean of its divisors is an integer number (13905143).

Almost surely, 2115342100 is an apocalyptic number.

115342100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115342100 is an abundant number, since it is smaller than the sum of its proper divisors (134950474).

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

115342100 is a wasteful number, since it uses less digits than its factorization.

115342100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153435 (or 1153428 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115342100 is about 10739.7439448061. The cubic root of 115342100 is about 486.7761424656.

Adding to 115342100 its reverse (1243511), we get a palindrome (116585611).

The spelling of 115342100 in words is "one hundred fifteen million, three hundred forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1153421 2306842 4613684 5767105 11534210 23068420 28835525 57671050 115342100