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381083 = 1931647
BaseRepresentation
bin1011101000010011011
3201100202012
41131002123
544143313
612100135
73145013
oct1350233
9640665
10381083
1124034a
1216464b
131045c1
149cc43
1577da8
hex5d09b

381083 has 8 divisors (see below), whose sum is σ = 414720. Its totient is φ = 348840.

The previous prime is 381077. The next prime is 381097. The reversal of 381083 is 380183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381083 - 26 = 381019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381383) 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, 266 + ... + 912.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2381083 is an apocalyptic number.

381083 is a deficient number, since it is larger than the sum of its proper divisors (33637).

381083 is a wasteful number, since it uses less digits than its factorization.

381083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 381083 is about 617.3192043020. The cubic root of 381083 is about 72.5003091544.

Subtracting from 381083 its reverse (380183), we obtain a square (900 = 302).

The spelling of 381083 in words is "three hundred eighty-one thousand, eighty-three".

Divisors: 1 19 31 589 647 12293 20057 381083