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381244 = 2295311
BaseRepresentation
bin1011101000100111100
3201100222011
41131010330
544144434
612101004
73145333
oct1350474
9640864
10381244
11240486
12164764
131046b6
149cd1a
1577e64
hex5d13c

381244 has 6 divisors (see below), whose sum is σ = 667184. Its totient is φ = 190620.

The previous prime is 381239. The next prime is 381253. The reversal of 381244 is 442183.

381244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47652 + ... + 47659.

2381244 is an apocalyptic number.

It is an amenable number.

381244 is a deficient number, since it is larger than the sum of its proper divisors (285940).

381244 is a wasteful number, since it uses less digits than its factorization.

381244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95315 (or 95313 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 381244 is about 617.4495930843. The cubic root of 381244 is about 72.5105176973.

It can be divided in two parts, 381 and 244, that added together give a 4-th power (625 = 54).

The spelling of 381244 in words is "three hundred eighty-one thousand, two hundred forty-four".

Divisors: 1 2 4 95311 190622 381244