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293378 = 23832
BaseRepresentation
bin1000111101000000010
3112220102212
41013220002
533342003
610142122
72331221
oct1075002
9486385
10293378
11190468
12121942
13a36c7
1478cb8
155bdd8
hex47a02

293378 has 6 divisors (see below), whose sum is σ = 441219. Its totient is φ = 146306.

The previous prime is 293357. The next prime is 293399. The reversal of 293378 is 873392.

Multipling 293378 by its sum of digits (32), we get a square (9388096 = 30642).

It is an interprime number because it is at equal distance from previous prime (293357) and next prime (293399).

It can be written as a sum of positive squares in only one way, i.e., 146689 + 146689 = 383^2 + 383^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=383.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 575 + ... + 957.

293378 is a Friedman number, since it can be written as 383^2*(9-7), using all its digits and the basic arithmetic operations.

2293378 is an apocalyptic number.

293378 is a deficient number, since it is larger than the sum of its proper divisors (147841).

293378 is an frugal number, since it uses more digits than its factorization.

293378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 385 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 293378 is about 541.6437943889. The cubic root of 293378 is about 66.4470719108.

The spelling of 293378 in words is "two hundred ninety-three thousand, three hundred seventy-eight".

Divisors: 1 2 383 766 146689 293378