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9052218 = 232771843
BaseRepresentation
bin100010100010…
…000000111010
3122000220022100
4202202000322
54304132333
6522004230
7136641210
oct42420072
918026270
109052218
11512307a
123046676
131b4c356
1412b8cb0
15bdc213
hex8a203a

9052218 has 24 divisors (see below), whose sum is σ = 22415328. Its totient is φ = 2586312.

The previous prime is 9052207. The next prime is 9052223. The reversal of 9052218 is 8122509.

It is a junction number, because it is equal to n+sod(n) for n = 9052191 and 9052200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35796 + ... + 36047.

It is an arithmetic number, because the mean of its divisors is an integer number (933972).

Almost surely, 29052218 is an apocalyptic number.

9052218 is an abundant number, since it is smaller than the sum of its proper divisors (13363110).

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

9052218 is a wasteful number, since it uses less digits than its factorization.

9052218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71858 (or 71855 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9052218 is about 3008.6904127876. The cubic root of 9052218 is about 208.4098949893.

The spelling of 9052218 in words is "nine million, fifty-two thousand, two hundred eighteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 71843 143686 215529 431058 502901 646587 1005802 1293174 1508703 3017406 4526109 9052218