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1384248 = 233137421
BaseRepresentation
bin101010001111100111000
32121022211110
411101330320
5323243443
645400320
714523465
oct5217470
92538743
101384248
11866008
125690a0
133960a8
1428066c
151c5233
hex151f38

1384248 has 32 divisors (see below), whose sum is σ = 3494160. Its totient is φ = 456960.

The previous prime is 1384247. The next prime is 1384249. The reversal of 1384248 is 8424831.

It is an interprime number because it is at equal distance from previous prime (1384247) and next prime (1384249).

It is a super-2 number, since 2×13842482 = 3832285051008, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384241) 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, 3078 + ... + 3498.

21384248 is an apocalyptic number.

It is an amenable number.

1384248 is an abundant number, since it is smaller than the sum of its proper divisors (2109912).

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

1384248 is a wasteful number, since it uses less digits than its factorization.

1384248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 563 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 1384248 is about 1176.5406920290. The cubic root of 1384248 is about 111.4477491177.

The spelling of 1384248 in words is "one million, three hundred eighty-four thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 137 274 411 421 548 822 842 1096 1263 1644 1684 2526 3288 3368 5052 10104 57677 115354 173031 230708 346062 461416 692124 1384248