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52223668 = 2274145491
BaseRepresentation
bin1100011100110…
…1111010110100
310122021020101221
43013031322310
5101332124133
65103200124
71202615410
oct307157264
9118236357
1052223668
112752a462
12155a6044
13aa865a3
146d15d40
1548b8a2d
hex31cdeb4

52223668 has 24 divisors (see below), whose sum is σ = 106997184. Its totient is φ = 21835200.

The previous prime is 52223663. The next prime is 52223671. The reversal of 52223668 is 86632225.

It is a super-2 number, since 2×522236682 = 5454622998748448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21598 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (4458216).

Almost surely, 252223668 is an apocalyptic number.

It is an amenable number.

52223668 is an abundant number, since it is smaller than the sum of its proper divisors (54773516).

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

52223668 is a wasteful number, since it uses less digits than its factorization.

52223668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45543 (or 45541 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 52223668 is about 7226.5944953346. The cubic root of 52223668 is about 373.7855061849.

The spelling of 52223668 in words is "fifty-two million, two hundred twenty-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 45491 90982 181964 318437 636874 1273748 1865131 3730262 7460524 13055917 26111834 52223668