Search a number
-
+
102405202 = 2182328087
BaseRepresentation
bin1100001101010…
…01010001010010
321010200201112021
412012221101102
5202203431302
614054522054
72352300304
oct606512122
9233621467
10102405202
11528945a9
122a36632a
13182a64c3
14d859974
158ecc437
hex61a9452

102405202 has 8 divisors (see below), whose sum is σ = 153697536. Its totient is φ = 51172692.

The previous prime is 102405181. The next prime is 102405271. The reversal of 102405202 is 202504201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10398 + ... + 17689.

It is an arithmetic number, because the mean of its divisors is an integer number (19212192).

Almost surely, 2102405202 is an apocalyptic number.

102405202 is a deficient number, since it is larger than the sum of its proper divisors (51292334).

102405202 is a wasteful number, since it uses less digits than its factorization.

102405202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29912.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 102405202 is about 10119.5455431556. The cubic root of 102405202 is about 467.8507602405.

Adding to 102405202 its reverse (202504201), we get a palindrome (304909403).

The spelling of 102405202 in words is "one hundred two million, four hundred five thousand, two hundred two".

Divisors: 1 2 1823 3646 28087 56174 51202601 102405202