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6990022 = 2132311689
BaseRepresentation
bin11010101010100011000110
3111011010111201
4122222203012
53242140042
6405453114
7113262034
oct32524306
914133451
106990022
113a44786
12241119a
1315a9810
14cdd554
159311b7
hex6aa8c6

6990022 has 16 divisors (see below), whose sum is σ = 11783520. Its totient is φ = 3085632.

The previous prime is 6990019. The next prime is 6990041. The reversal of 6990022 is 2200996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247 + ... + 6442.

It is an arithmetic number, because the mean of its divisors is an integer number (736470).

Almost surely, 26990022 is an apocalyptic number.

6990022 is a deficient number, since it is larger than the sum of its proper divisors (4793498).

6990022 is a wasteful number, since it uses less digits than its factorization.

6990022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 6990022 is about 2643.8649738593. The cubic root of 6990022 is about 191.2021834978.

The spelling of 6990022 in words is "six million, nine hundred ninety thousand, twenty-two".

Divisors: 1 2 13 23 26 46 299 598 11689 23378 151957 268847 303914 537694 3495011 6990022