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378534 = 231323211
BaseRepresentation
bin1011100011010100110
3201020020210
41130122212
544103114
612040250
73134412
oct1343246
9636223
10378534
11239442
12163086
131033b0
149bd42
1577259
hex5c6a6

378534 has 32 divisors (see below), whose sum is σ = 854784. Its totient is φ = 110880.

The previous prime is 378533. The next prime is 378551. The reversal of 378534 is 435873.

Its product of digits (10080) is a multiple of the sum of its prime divisors (252).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378534.

It is not an unprimeable number, because it can be changed into a prime (378533) 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, 1689 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2378534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427392).

378534 is an abundant number, since it is smaller than the sum of its proper divisors (476250).

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

378534 is a wasteful number, since it uses less digits than its factorization.

378534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 10080, while the sum is 30.

The square root of 378534 is about 615.2511682232. The cubic root of 378534 is about 72.3382999461.

The spelling of 378534 in words is "three hundred seventy-eight thousand, five hundred thirty-four".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 211 299 422 598 633 897 1266 1794 2743 4853 5486 8229 9706 14559 16458 29118 63089 126178 189267 378534