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383424 = 2631997
BaseRepresentation
bin1011101100111000000
3201110221220
41131213000
544232144
612115040
73154566
oct1354700
9643856
10383424
11242088
12165a80
131056a2
149da36
1578919
hex5d9c0

383424 has 28 divisors (see below), whose sum is σ = 1014984. Its totient is φ = 127744.

The previous prime is 383419. The next prime is 383429. The reversal of 383424 is 424383.

It is an interprime number because it is at equal distance from previous prime (383419) and next prime (383429).

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 383394 and 383403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383429) by changing a digit.

383424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807 + ... + 1190.

2383424 is an apocalyptic number.

It is an amenable number.

383424 is an abundant number, since it is smaller than the sum of its proper divisors (631560).

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

383424 is a wasteful number, since it uses less digits than its factorization.

383424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2002 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 383424 is about 619.2124029766. The cubic root of 383424 is about 72.6484631151.

The spelling of 383424 in words is "three hundred eighty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1997 3994 5991 7988 11982 15976 23964 31952 47928 63904 95856 127808 191712 383424