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12220130 = 2513236167
BaseRepresentation
bin101110100111…
…011011100010
3211222211212102
4232213123202
511112021010
61113530402
7205604126
oct56473342
924884772
1012220130
11699718a
124113a02
1326bb260
1418a1586
151115ba5
hexba76e2

12220130 has 64 divisors (see below), whose sum is σ = 25498368. Its totient is φ = 4181760.

The previous prime is 12220129. The next prime is 12220147. The reversal of 12220130 is 3102221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182357 + ... + 182423.

It is an arithmetic number, because the mean of its divisors is an integer number (398412).

Almost surely, 212220130 is an apocalyptic number.

12220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220130 is an abundant number, since it is smaller than the sum of its proper divisors (13278238).

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

12220130 is a wasteful number, since it uses less digits than its factorization.

12220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12220130 is about 3495.7302527512. The cubic root of 12220130 is about 230.3342964857.

Adding to 12220130 its reverse (3102221), we get a palindrome (15322351).

The spelling of 12220130 in words is "twelve million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 61 65 67 115 122 130 134 230 299 305 335 598 610 670 793 871 1403 1495 1541 1586 1742 2806 2990 3082 3965 4087 4355 7015 7705 7930 8174 8710 14030 15410 18239 20033 20435 36478 40066 40870 53131 91195 94001 100165 106262 182390 188002 200330 265655 470005 531310 940010 1222013 2444026 6110065 12220130