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1382290 = 25731331
BaseRepresentation
bin101010001011110010010
32121020010221
411101132102
5323213130
645343254
714515000
oct5213622
92536127
101382290
11864598
12567b2a
13395230
1427da70
151c487a
hex151792

1382290 has 64 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 423360.

The previous prime is 1382279. The next prime is 1382291. The reversal of 1382290 is 922831.

It is not an unprimeable number, because it can be changed into a prime (1382291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44575 + ... + 44605.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

21382290 is an apocalyptic number.

1382290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1382290 is an abundant number, since it is smaller than the sum of its proper divisors (1843310).

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

1382290 is a wasteful number, since it uses less digits than its factorization.

1382290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 58 counting only the distinct ones).

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

The square root of 1382290 is about 1175.7082971554. The cubic root of 1382290 is about 111.3951772132.

The spelling of 1382290 in words is "one million, three hundred eighty-two thousand, two hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 31 35 49 62 65 70 91 98 130 155 182 217 245 310 343 403 434 455 490 637 686 806 910 1085 1274 1519 1715 2015 2170 2821 3038 3185 3430 4030 4459 5642 6370 7595 8918 10633 14105 15190 19747 21266 22295 28210 39494 44590 53165 98735 106330 138229 197470 276458 691145 1382290