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30522168 = 23322411759
BaseRepresentation
bin111010001101…
…1101100111000
32010102200112200
41310123230320
530303202133
63010110200
7520301625
oct164335470
963380480
1030522168
1116257836
12a27b360
136428871
1440a734c
152a2d913
hex1d1bb38

30522168 has 48 divisors (see below), whose sum is σ = 83054400. Its totient is φ = 10126080.

The previous prime is 30522139. The next prime is 30522169. The reversal of 30522168 is 86122503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30522169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16473 + ... + 18231.

It is an arithmetic number, because the mean of its divisors is an integer number (1730300).

Almost surely, 230522168 is an apocalyptic number.

It is an amenable number.

30522168 is an abundant number, since it is smaller than the sum of its proper divisors (52532232).

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

30522168 is a wasteful number, since it uses less digits than its factorization.

30522168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30522168 is about 5524.6871404632. The cubic root of 30522168 is about 312.5156659880.

The spelling of 30522168 in words is "thirty million, five hundred twenty-two thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 241 482 723 964 1446 1759 1928 2169 2892 3518 4338 5277 5784 7036 8676 10554 14072 15831 17352 21108 31662 42216 63324 126648 423919 847838 1271757 1695676 2543514 3391352 3815271 5087028 7630542 10174056 15261084 30522168