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22064430 = 2355313877
BaseRepresentation
bin101010000101…
…0110100101110
31112111222201010
41110022310232
521122030210
62104530050
7355354533
oct124126456
945458633
1022064430
1111500373
127480926
134756c9b
142d04d8a
151e0c920
hex150ad2e

22064430 has 32 divisors (see below), whose sum is σ = 53957664. Its totient is φ = 5772416.

The previous prime is 22064423. The next prime is 22064459. The reversal of 22064430 is 3446022.

It is a junction number, because it is equal to n+sod(n) for n = 22064397 and 22064406.

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, 5349 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (1686177).

Almost surely, 222064430 is an apocalyptic number.

22064430 is an abundant number, since it is smaller than the sum of its proper divisors (31893234).

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

22064430 is a wasteful number, since it uses less digits than its factorization.

22064430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22064430 is about 4697.2789995911. The cubic root of 22064430 is about 280.4772049435.

The spelling of 22064430 in words is "twenty-two million, sixty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 13877 27754 41631 69385 83262 138770 208155 416310 735481 1470962 2206443 3677405 4412886 7354810 11032215 22064430