Search a number
-
+
8229130 = 257139043
BaseRepresentation
bin11111011001000100001010
3120111002020121
4133121010022
54101313010
6452213454
7126642430
oct37310412
916432217
108229130
114710738
12290a28a
131921810
141142d50
15ac83da
hex7d910a

8229130 has 32 divisors (see below), whose sum is σ = 18232704. Its totient is φ = 2604096.

The previous prime is 8229107. The next prime is 8229131. The reversal of 8229130 is 319228.

It is a junction number, because it is equal to n+sod(n) for n = 8229095 and 8229104.

It is not an unprimeable number, because it can be changed into a prime (8229131) 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 15 ways as a sum of consecutive naturals, for example, 3612 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (569772).

Almost surely, 28229130 is an apocalyptic number.

8229130 is an abundant number, since it is smaller than the sum of its proper divisors (10003574).

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

8229130 is a wasteful number, since it uses less digits than its factorization.

8229130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8229130 is about 2868.6460220808. The cubic root of 8229130 is about 201.8914719440.

The spelling of 8229130 in words is "eight million, two hundred twenty-nine thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 9043 18086 45215 63301 90430 117559 126602 235118 316505 587795 633010 822913 1175590 1645826 4114565 8229130