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8212242 = 232359509
BaseRepresentation
bin11111010100111100010010
3120110020002010
4133110330102
54100242432
6452003350
7126542253
oct37247422
916406063
108212242
1146a9a85
122900556
131916c1c
14113ab2a
15ac33cc
hex7d4f12

8212242 has 16 divisors (see below), whose sum is σ = 17138880. Its totient is φ = 2618352.

The previous prime is 8212213. The next prime is 8212277. The reversal of 8212242 is 2422128.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29617 + ... + 29892.

It is an arithmetic number, because the mean of its divisors is an integer number (1071180).

Almost surely, 28212242 is an apocalyptic number.

8212242 is an abundant number, since it is smaller than the sum of its proper divisors (8926638).

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

8212242 is a wasteful number, since it uses less digits than its factorization.

8212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59537.

The product of its digits is 512, while the sum is 21.

The square root of 8212242 is about 2865.7009613705. The cubic root of 8212242 is about 201.7532686661.

The spelling of 8212242 in words is "eight million, two hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 59509 119018 178527 357054 1368707 2737414 4106121 8212242