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8220696 = 2331131139
BaseRepresentation
bin11111010111000000011000
3120110122200020
4133113000120
54101030241
6452110440
7126606021
oct37270030
916418606
108220696
114705370
122905420
13191aa23
14113dc48
15ac5b66
hex7d7018

8220696 has 32 divisors (see below), whose sum is σ = 22420800. Its totient is φ = 2491040.

The previous prime is 8220691. The next prime is 8220713. The reversal of 8220696 is 6960228.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220691) 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 7 ways as a sum of consecutive naturals, for example, 15306 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (700650).

Almost surely, 28220696 is an apocalyptic number.

It is an amenable number.

8220696 is an abundant number, since it is smaller than the sum of its proper divisors (14200104).

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

8220696 is a wasteful number, since it uses less digits than its factorization.

8220696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31159 (or 31155 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 8220696 is about 2867.1756137356. The cubic root of 8220696 is about 201.8224757998.

The spelling of 8220696 in words is "eight million, two hundred twenty thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 31139 62278 93417 124556 186834 249112 342529 373668 685058 747336 1027587 1370116 2055174 2740232 4110348 8220696