Search a number
-
+
8142102 = 2321134003
BaseRepresentation
bin11111000011110100010110
3120022122212100
4133003310112
54041021402
6450302530
7126130623
oct37036426
916278770
108142102
114661311
122887a46
1318c1017
14111d34a
15aac71c
hex7c3d16

8142102 has 24 divisors (see below), whose sum is σ = 17801784. Its totient is φ = 2689344.

The previous prime is 8142077. The next prime is 8142103. The reversal of 8142102 is 2012418.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 4035.

It is an arithmetic number, because the mean of its divisors is an integer number (741741).

Almost surely, 28142102 is an apocalyptic number.

8142102 is an abundant number, since it is smaller than the sum of its proper divisors (9659682).

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

8142102 is a wasteful number, since it uses less digits than its factorization.

8142102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124 (or 4121 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8142102 is about 2853.4368750684. The cubic root of 8142102 is about 201.1772402640.

It can be divided in two parts, 814 and 2102, that added together give a square (2916 = 542).

The spelling of 8142102 in words is "eight million, one hundred forty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 113 226 339 678 1017 2034 4003 8006 12009 24018 36027 72054 452339 904678 1357017 2714034 4071051 8142102