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8022069 = 321181031
BaseRepresentation
bin11110100110100000110101
3120002120012200
4132212200311
54023201234
6443535113
7125120646
oct36464065
916076180
108022069
11458a110
12282a499
13187b4b3
1410cb6cd
15a86d99
hex7a6835

8022069 has 12 divisors (see below), whose sum is σ = 12640992. Its totient is φ = 4861800.

The previous prime is 8022061. The next prime is 8022071. The reversal of 8022069 is 9602208.

It is not a de Polignac number, because 8022069 - 23 = 8022061 is a prime.

It is a super-2 number, since 2×80220692 = 128707182081522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8022061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40417 + ... + 40614.

It is an arithmetic number, because the mean of its divisors is an integer number (1053416).

Almost surely, 28022069 is an apocalyptic number.

It is an amenable number.

8022069 is a deficient number, since it is larger than the sum of its proper divisors (4618923).

8022069 is a wasteful number, since it uses less digits than its factorization.

8022069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81048 (or 81045 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8022069 is about 2832.3257227939. The cubic root of 8022069 is about 200.1837394807.

The spelling of 8022069 in words is "eight million, twenty-two thousand, sixty-nine".

Divisors: 1 3 9 11 33 99 81031 243093 729279 891341 2674023 8022069