Search a number
-
+
12220102 = 240914939
BaseRepresentation
bin101110100111…
…011011000110
3211222211211101
4232213123012
511112020402
61113530314
7205604056
oct56473306
924884741
1012220102
116997164
12411399a
1326bb23b
1418a1566
151115b87
hexba76c6

12220102 has 8 divisors (see below), whose sum is σ = 18376200. Its totient is φ = 6094704.

The previous prime is 12220081. The next prime is 12220111. The reversal of 12220102 is 20102221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652 + ... + 8287.

It is an arithmetic number, because the mean of its divisors is an integer number (2297025).

Almost surely, 212220102 is an apocalyptic number.

12220102 is a deficient number, since it is larger than the sum of its proper divisors (6156098).

12220102 is a wasteful number, since it uses less digits than its factorization.

12220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15350.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12220102 is about 3495.7262478632. The cubic root of 12220102 is about 230.3341205638.

Adding to 12220102 its reverse (20102221), we get a palindrome (32322323).

The spelling of 12220102 in words is "twelve million, two hundred twenty thousand, one hundred two".

Divisors: 1 2 409 818 14939 29878 6110051 12220102