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8099220 = 2235235869
BaseRepresentation
bin11110111001010110010100
3120020111001010
4132321112110
54033133340
6445332220
7125561613
oct36712624
916214033
108099220
114632078
122867070
1318a764c
14110b87a
15a9eb80
hex7b9594

8099220 has 48 divisors (see below), whose sum is σ = 23667840. Its totient is φ = 2065536.

The previous prime is 8099219. The next prime is 8099227. The reversal of 8099220 is 229908.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1555 + ... + 4314.

It is an arithmetic number, because the mean of its divisors is an integer number (493080).

Almost surely, 28099220 is an apocalyptic number.

It is an amenable number.

8099220 is an abundant number, since it is smaller than the sum of its proper divisors (15568620).

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

8099220 is a wasteful number, since it uses less digits than its factorization.

8099220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 8099220 is about 2845.9128588205. The cubic root of 8099220 is about 200.8234384263.

The spelling of 8099220 in words is "eight million, ninety-nine thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 5869 11738 17607 23476 29345 35214 58690 70428 88035 117380 134987 176070 269974 352140 404961 539948 674935 809922 1349870 1619844 2024805 2699740 4049610 8099220