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22013030 = 2513295839
BaseRepresentation
bin101001111111…
…0010001100110
31112102101012102
41103332101212
521113404110
62103452102
7355051634
oct123762146
945371172
1022013030
1111475796
127457032
134739780
142cd0354
151dec5a5
hex14fe466

22013030 has 32 divisors (see below), whose sum is σ = 44150400. Its totient is φ = 7846272.

The previous prime is 22013029. The next prime is 22013063. The reversal of 22013030 is 3031022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851 + ... + 6689.

It is an arithmetic number, because the mean of its divisors is an integer number (1379700).

Almost surely, 222013030 is an apocalyptic number.

22013030 is an abundant number, since it is smaller than the sum of its proper divisors (22137370).

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

22013030 is a wasteful number, since it uses less digits than its factorization.

22013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 22013030 is about 4691.8045568843. The cubic root of 22013030 is about 280.2592411970.

Adding to 22013030 its reverse (3031022), we get a palindrome (25044052).

The spelling of 22013030 in words is "twenty-two million, thirteen thousand, thirty".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 290 377 754 1885 3770 5839 11678 29195 58390 75907 151814 169331 338662 379535 759070 846655 1693310 2201303 4402606 11006515 22013030