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8082390 = 235269413
BaseRepresentation
bin11110110101001111010110
3120012121221210
4132311033112
54032114030
6445122250
7125461551
oct36651726
916177853
108082390
114620468
122859386
13189caa4
141105698
15a99bb0
hex7b53d6

8082390 has 16 divisors (see below), whose sum is σ = 19397808. Its totient is φ = 2155296.

The previous prime is 8082383. The next prime is 8082397. The reversal of 8082390 is 932808.

It is an interprime number because it is at equal distance from previous prime (8082383) and next prime (8082397).

It is a super-2 number, since 2×80823902 = 130650056224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 269413 = 8082390 / (8 + 0 + 8 + 2 + 3 + 9 + 0).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8082397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134677 + ... + 134736.

It is an arithmetic number, because the mean of its divisors is an integer number (1212363).

Almost surely, 28082390 is an apocalyptic number.

8082390 is an abundant number, since it is smaller than the sum of its proper divisors (11315418).

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

8082390 is a wasteful number, since it uses less digits than its factorization.

8082390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269423.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8082390 is about 2842.9544491602. The cubic root of 8082390 is about 200.6842397436.

The spelling of 8082390 in words is "eight million, eighty-two thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 269413 538826 808239 1347065 1616478 2694130 4041195 8082390