Search a number
-
+
102405114 = 2337270913
BaseRepresentation
bin1100001101010…
…01001111111010
321010200201102000
412012221033322
5202203430424
614054521430
72352300120
oct606511772
9233621360
10102405114
1152894529
122a366276
13182a6456
14d859910
158ecc3c9
hex61a93fa

102405114 has 32 divisors (see below), whose sum is σ = 260077440. Its totient is φ = 29258496.

The previous prime is 102405113. The next prime is 102405133. The reversal of 102405114 is 411504201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102405113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135079 + ... + 135834.

It is an arithmetic number, because the mean of its divisors is an integer number (8127420).

Almost surely, 2102405114 is an apocalyptic number.

102405114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102405114 is an abundant number, since it is smaller than the sum of its proper divisors (157672326).

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

102405114 is a wasteful number, since it uses less digits than its factorization.

102405114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270931 (or 270925 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102405114 is about 10119.5411951333. The cubic root of 102405114 is about 467.8506262275.

Adding to 102405114 its reverse (411504201), we get a palindrome (513909315).

The spelling of 102405114 in words is "one hundred two million, four hundred five thousand, one hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 270913 541826 812739 1625478 1896391 2438217 3792782 4876434 5689173 7314651 11378346 14629302 17067519 34135038 51202557 102405114