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378741 = 31123499
BaseRepresentation
bin1011100011101110101
3201020112110
41130131311
544104431
612041233
73135126
oct1343565
9636473
10378741
11239610
12163219
1310350c
149c04d
1577346
hex5c775

378741 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 219120.

The previous prime is 378739. The next prime is 378757. The reversal of 378741 is 147873.

It is a happy number.

It is not a de Polignac number, because 378741 - 21 = 378739 is a prime.

378741 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 378699 and 378708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510 + ... + 1008.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2378741 is an apocalyptic number.

It is an amenable number.

378741 is a deficient number, since it is larger than the sum of its proper divisors (197259).

378741 is a wasteful number, since it uses less digits than its factorization.

378741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 4704, while the sum is 30.

The square root of 378741 is about 615.4193692109. The cubic root of 378741 is about 72.3514835258.

It can be divided in two parts, 3787 and 41, that added together give a triangular number (3828 = T87).

The spelling of 378741 in words is "three hundred seventy-eight thousand, seven hundred forty-one".

Divisors: 1 3 11 23 33 69 253 499 759 1497 5489 11477 16467 34431 126247 378741