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270378 = 2341669
BaseRepresentation
bin1000010000000101010
3111201220000
41002000222
532123003
65443430
72204163
oct1020052
9451800
10270378
11175159
12110576
13960b4
147076a
15551a3
hex4202a

270378 has 20 divisors (see below), whose sum is σ = 606210. Its totient is φ = 90072.

The previous prime is 270371. The next prime is 270379. The reversal of 270378 is 873072.

It can be written as a sum of positive squares in only one way, i.e., 227529 + 42849 = 477^2 + 207^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (270371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 673 + ... + 996.

2270378 is an apocalyptic number.

270378 is an abundant number, since it is smaller than the sum of its proper divisors (335832).

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

270378 is a wasteful number, since it uses less digits than its factorization.

270378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 270378 is about 519.9788457236. The cubic root of 270378 is about 64.6631887219.

The spelling of 270378 in words is "two hundred seventy thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 1669 3338 5007 10014 15021 30042 45063 90126 135189 270378