Search a number
-
+
102002230 = 25113492657
BaseRepresentation
bin1100001010001…
…10111000110110
321002221020202101
412011012320312
5202103032410
614042132314
72346001411
oct605067066
9232836671
10102002230
1152639870
122a1b109a
1318194c65
14d792b78
158e4cd3a
hex6146e36

102002230 has 32 divisors (see below), whose sum is σ = 200944800. Its totient is φ = 36971520.

The previous prime is 102002191. The next prime is 102002249. The reversal of 102002230 is 32200201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 37062 + ... + 39718.

It is an arithmetic number, because the mean of its divisors is an integer number (6279525).

Almost surely, 2102002230 is an apocalyptic number.

102002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102002230 is a deficient number, since it is larger than the sum of its proper divisors (98942570).

102002230 is a wasteful number, since it uses less digits than its factorization.

102002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102002230 is about 10099.6153392097. The cubic root of 102002230 is about 467.2362778084.

Adding to 102002230 its reverse (32200201), we get a palindrome (134202431).

The spelling of 102002230 in words is "one hundred two million, two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 349 698 1745 2657 3490 3839 5314 7678 13285 19195 26570 29227 38390 58454 146135 292270 927293 1854586 4636465 9272930 10200223 20400446 51001115 102002230