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8229072 = 243171439
BaseRepresentation
bin11111011001000011010000
3120111002011110
4133121003100
54101312242
6452213320
7126642315
oct37310320
916432143
108229072
114710695
12290a240
131921797
141142d0c
15ac839c
hex7d90d0

8229072 has 20 divisors (see below), whose sum is σ = 21258560. Its totient is φ = 2743008.

The previous prime is 8229031. The next prime is 8229073. The reversal of 8229072 is 2709228.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8229073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85672 + ... + 85767.

It is an arithmetic number, because the mean of its divisors is an integer number (1062928).

Almost surely, 28229072 is an apocalyptic number.

It is an amenable number.

8229072 is an abundant number, since it is smaller than the sum of its proper divisors (13029488).

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

8229072 is a wasteful number, since it uses less digits than its factorization.

8229072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171450 (or 171444 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8229072 is about 2868.6359127641. The cubic root of 8229072 is about 201.8909976236.

The spelling of 8229072 in words is "eight million, two hundred twenty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 171439 342878 514317 685756 1028634 1371512 2057268 2743024 4114536 8229072